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Finding the Fourth Proportional to 181,045.71, 249,843.22 and 100,473.29

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Solution

The fourth proportional to 181,045.71, 249,843.22 and 100,473.29 is: 138,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,045.71 : 249,843.22 = 100,473.29 : x
  2. Step 2: Convert to fraction form
    181,045.71/249,843.22 = 100,473.29/x
  3. Step 3: Cross multiply
    181,045.71x = 249,843.22 × 100,473.29
  4. Step 4: Simplify right side
    181,045.71x = 25,102,569,734.11
  5. Step 5: Solve for x
    x = 25,102,569,734.11/181,045.71
  6. Step 6: Final answer
    x = 138,653.21

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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.