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Finding the Fourth Proportional to 181,883.61, 251,007.12 and 101,311.17

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Solution

The fourth proportional to 181,883.61, 251,007.12 and 101,311.17 is: 139,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,883.61 : 251,007.12 = 101,311.17 : x
  2. Step 2: Convert to fraction form
    181,883.61/251,007.12 = 101,311.17/x
  3. Step 3: Cross multiply
    181,883.61x = 251,007.12 × 101,311.17
  4. Step 4: Simplify right side
    181,883.61x = 25,429,825,005.53
  5. Step 5: Solve for x
    x = 25,429,825,005.53/181,883.61
  6. Step 6: Final answer
    x = 139,813.72

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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.