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Finding the Fourth Proportional to 83,118.76, 124,585.80 and 63,332.08

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Solution

The fourth proportional to 83,118.76, 124,585.80 and 63,332.08 is: 94,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,118.76 : 124,585.80 = 63,332.08 : x
  2. Step 2: Convert to fraction form
    83,118.76/124,585.80 = 63,332.08/x
  3. Step 3: Cross multiply
    83,118.76x = 124,585.80 × 63,332.08
  4. Step 4: Simplify right side
    83,118.76x = 7,890,277,852.46
  5. Step 5: Solve for x
    x = 7,890,277,852.46/83,118.76
  6. Step 6: Final answer
    x = 94,927.76

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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.