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Finding the Fourth Proportional to 131,693.00, 181,737.44 and 77,277.71

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Solution

The fourth proportional to 131,693.00, 181,737.44 and 77,277.71 is: 106,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,693.00 : 181,737.44 = 77,277.71 : x
  2. Step 2: Convert to fraction form
    131,693.00/181,737.44 = 77,277.71/x
  3. Step 3: Cross multiply
    131,693.00x = 181,737.44 × 77,277.71
  4. Step 4: Simplify right side
    131,693.00x = 14,044,251,889.39
  5. Step 5: Solve for x
    x = 14,044,251,889.39/131,693.00
  6. Step 6: Final answer
    x = 106,643.88

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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.