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Finding the Fourth Proportional to 104,635.80, 157,040.10 and 48,562.20

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Solution

The fourth proportional to 104,635.80, 157,040.10 and 48,562.20 is: 72,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.80 : 157,040.10 = 48,562.20 : x
  2. Step 2: Convert to fraction form
    104,635.80/157,040.10 = 48,562.20/x
  3. Step 3: Cross multiply
    104,635.80x = 157,040.10 × 48,562.20
  4. Step 4: Simplify right side
    104,635.80x = 7,626,212,744.22
  5. Step 5: Solve for x
    x = 7,626,212,744.22/104,635.80
  6. Step 6: Final answer
    x = 72,883.40

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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.