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Finding the Fourth Proportional to 173,447.60, 260,171.40 and 105,796.40

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Solution

The fourth proportional to 173,447.60, 260,171.40 and 105,796.40 is: 158,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,447.60 : 260,171.40 = 105,796.40 : x
  2. Step 2: Convert to fraction form
    173,447.60/260,171.40 = 105,796.40/x
  3. Step 3: Cross multiply
    173,447.60x = 260,171.40 × 105,796.40
  4. Step 4: Simplify right side
    173,447.60x = 27,525,197,502.96
  5. Step 5: Solve for x
    x = 27,525,197,502.96/173,447.60
  6. Step 6: Final answer
    x = 158,694.60

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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.