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Finding the Fourth Proportional to 109,663.92, 151,336.17 and 59,362.92

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Solution

The fourth proportional to 109,663.92, 151,336.17 and 59,362.92 is: 81,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,663.92 : 151,336.17 = 59,362.92 : x
  2. Step 2: Convert to fraction form
    109,663.92/151,336.17 = 59,362.92/x
  3. Step 3: Cross multiply
    109,663.92x = 151,336.17 × 59,362.92
  4. Step 4: Simplify right side
    109,663.92x = 8,983,756,952.82
  5. Step 5: Solve for x
    x = 8,983,756,952.82/109,663.92
  6. Step 6: Final answer
    x = 81,920.81

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1.5x scale

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.