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Finding the Fourth Proportional to 181,726.50, 250,776.98 and 101,151.95

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Solution

The fourth proportional to 181,726.50, 250,776.98 and 101,151.95 is: 139,586.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,726.50 : 250,776.98 = 101,151.95 : x
  2. Step 2: Convert to fraction form
    181,726.50/250,776.98 = 101,151.95/x
  3. Step 3: Cross multiply
    181,726.50x = 250,776.98 × 101,151.95
  4. Step 4: Simplify right side
    181,726.50x = 25,366,580,542.11
  5. Step 5: Solve for x
    x = 25,366,580,542.11/181,726.50
  6. Step 6: Final answer
    x = 139,586.58

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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.