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Finding the Fourth Proportional to 104,984,679.60, 157,477,019.40 and 99,032,540.40

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Solution

The fourth proportional to 104,984,679.60, 157,477,019.40 and 99,032,540.40 is: 148,548,810.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984,679.60 : 157,477,019.40 = 99,032,540.40 : x
  2. Step 2: Convert to fraction form
    104,984,679.60/157,477,019.40 = 99,032,540.40/x
  3. Step 3: Cross multiply
    104,984,679.60x = 157,477,019.40 × 99,032,540.40
  4. Step 4: Simplify right side
    104,984,679.60x = 15,595,349,285,802,086
  5. Step 5: Solve for x
    x = 15,595,349,285,802,086/104,984,679.60
  6. Step 6: Final answer
    x = 148,548,810.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.