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Finding the Fourth Proportional to 157,259.60, 217,294.60 and 125,689.04

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Solution

The fourth proportional to 157,259.60, 217,294.60 and 125,689.04 is: 173,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,259.60 : 217,294.60 = 125,689.04 : x
  2. Step 2: Convert to fraction form
    157,259.60/217,294.60 = 125,689.04/x
  3. Step 3: Cross multiply
    157,259.60x = 217,294.60 × 125,689.04
  4. Step 4: Simplify right side
    157,259.60x = 27,311,549,671.18
  5. Step 5: Solve for x
    x = 27,311,549,671.18/157,259.60
  6. Step 6: Final answer
    x = 173,671.75

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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.