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Finding the Fourth Proportional to 109,425.47, 151,007.11 and 59,124.47

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Solution

The fourth proportional to 109,425.47, 151,007.11 and 59,124.47 is: 81,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,425.47 : 151,007.11 = 59,124.47 : x
  2. Step 2: Convert to fraction form
    109,425.47/151,007.11 = 59,124.47/x
  3. Step 3: Cross multiply
    109,425.47x = 151,007.11 × 59,124.47
  4. Step 4: Simplify right side
    109,425.47x = 8,928,215,574.69
  5. Step 5: Solve for x
    x = 8,928,215,574.69/109,425.47
  6. Step 6: Final answer
    x = 81,591.75

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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.