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Finding the Fourth Proportional to 150,516.61, 225,332.01 and 100,472.58

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Solution

The fourth proportional to 150,516.61, 225,332.01 and 100,472.58 is: 150,413.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,516.61 : 225,332.01 = 100,472.58 : x
  2. Step 2: Convert to fraction form
    150,516.61/225,332.01 = 100,472.58/x
  3. Step 3: Cross multiply
    150,516.61x = 225,332.01 × 100,472.58
  4. Step 4: Simplify right side
    150,516.61x = 22,639,688,401.29
  5. Step 5: Solve for x
    x = 22,639,688,401.29/150,516.61
  6. Step 6: Final answer
    x = 150,413.22

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1.5x scale

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.