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Finding the Fourth Proportional to 114,363.13, 157,819.85 and 62,680.64

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Solution

The fourth proportional to 114,363.13, 157,819.85 and 62,680.64 is: 86,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,363.13 : 157,819.85 = 62,680.64 : x
  2. Step 2: Convert to fraction form
    114,363.13/157,819.85 = 62,680.64/x
  3. Step 3: Cross multiply
    114,363.13x = 157,819.85 × 62,680.64
  4. Step 4: Simplify right side
    114,363.13x = 9,892,249,951.23
  5. Step 5: Solve for x
    x = 9,892,249,951.23/114,363.13
  6. Step 6: Final answer
    x = 86,498.60

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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.