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Finding the Fourth Proportional to 114,987.62, 172,276.22 and 62,363.54

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Solution

The fourth proportional to 114,987.62, 172,276.22 and 62,363.54 is: 93,434.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,987.62 : 172,276.22 = 62,363.54 : x
  2. Step 2: Convert to fraction form
    114,987.62/172,276.22 = 62,363.54/x
  3. Step 3: Cross multiply
    114,987.62x = 172,276.22 × 62,363.54
  4. Step 4: Simplify right side
    114,987.62x = 10,743,754,937.02
  5. Step 5: Solve for x
    x = 10,743,754,937.02/114,987.62
  6. Step 6: Final answer
    x = 93,434.01

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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.