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Finding the Fourth Proportional to 181,184.58, 250,036.47 and 105,718.50

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Solution

The fourth proportional to 181,184.58, 250,036.47 and 105,718.50 is: 145,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,184.58 : 250,036.47 = 105,718.50 : x
  2. Step 2: Convert to fraction form
    181,184.58/250,036.47 = 105,718.50/x
  3. Step 3: Cross multiply
    181,184.58x = 250,036.47 × 105,718.50
  4. Step 4: Simplify right side
    181,184.58x = 26,433,480,553.70
  5. Step 5: Solve for x
    x = 26,433,480,553.70/181,184.58
  6. Step 6: Final answer
    x = 145,892.55

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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.