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Finding the Fourth Proportional to 181,281.95, 250,209.11 and 100,737.17

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Solution

The fourth proportional to 181,281.95, 250,209.11 and 100,737.17 is: 139,039.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,281.95 : 250,209.11 = 100,737.17 : x
  2. Step 2: Convert to fraction form
    181,281.95/250,209.11 = 100,737.17/x
  3. Step 3: Cross multiply
    181,281.95x = 250,209.11 × 100,737.17
  4. Step 4: Simplify right side
    181,281.95x = 25,205,357,145.93
  5. Step 5: Solve for x
    x = 25,205,357,145.93/181,281.95
  6. Step 6: Final answer
    x = 139,039.53

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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.