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Finding the Fourth Proportional to 115,073.40, 172,627.11 and 58,945.26

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Solution

The fourth proportional to 115,073.40, 172,627.11 and 58,945.26 is: 88,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,073.40 : 172,627.11 = 58,945.26 : x
  2. Step 2: Convert to fraction form
    115,073.40/172,627.11 = 58,945.26/x
  3. Step 3: Cross multiply
    115,073.40x = 172,627.11 × 58,945.26
  4. Step 4: Simplify right side
    115,073.40x = 10,175,549,882.00
  5. Step 5: Solve for x
    x = 10,175,549,882.00/115,073.40
  6. Step 6: Final answer
    x = 88,426.60

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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.