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Finding the Fourth Proportional to 157,410.59, 217,309.68 and 126,448.16

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Solution

The fourth proportional to 157,410.59, 217,309.68 and 126,448.16 is: 174,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,410.59 : 217,309.68 = 126,448.16 : x
  2. Step 2: Convert to fraction form
    157,410.59/217,309.68 = 126,448.16/x
  3. Step 3: Cross multiply
    157,410.59x = 217,309.68 × 126,448.16
  4. Step 4: Simplify right side
    157,410.59x = 27,478,408,553.95
  5. Step 5: Solve for x
    x = 27,478,408,553.95/157,410.59
  6. Step 6: Final answer
    x = 174,565.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.