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Finding the Fourth Proportional to 115,010.40, 172,712.40 and 62,522.40

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Solution

The fourth proportional to 115,010.40, 172,712.40 and 62,522.40 is: 93,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,010.40 : 172,712.40 = 62,522.40 : x
  2. Step 2: Convert to fraction form
    115,010.40/172,712.40 = 62,522.40/x
  3. Step 3: Cross multiply
    115,010.40x = 172,712.40 × 62,522.40
  4. Step 4: Simplify right side
    115,010.40x = 10,798,393,757.76
  5. Step 5: Solve for x
    x = 10,798,393,757.76/115,010.40
  6. Step 6: Final answer
    x = 93,890.59

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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.