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Finding the Fourth Proportional to 181,045.59, 249,843.05 and 100,473.16

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Solution

The fourth proportional to 181,045.59, 249,843.05 and 100,473.16 is: 138,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,045.59 : 249,843.05 = 100,473.16 : x
  2. Step 2: Convert to fraction form
    181,045.59/249,843.05 = 100,473.16/x
  3. Step 3: Cross multiply
    181,045.59x = 249,843.05 × 100,473.16
  4. Step 4: Simplify right side
    181,045.59x = 25,102,520,737.54
  5. Step 5: Solve for x
    x = 25,102,520,737.54/181,045.59
  6. Step 6: Final answer
    x = 138,653.04

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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.