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Finding the Fourth Proportional to 181,044.30, 249,871.02 and 100,497.62

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Solution

The fourth proportional to 181,044.30, 249,871.02 and 100,497.62 is: 138,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,044.30 : 249,871.02 = 100,497.62 : x
  2. Step 2: Convert to fraction form
    181,044.30/249,871.02 = 100,497.62/x
  3. Step 3: Cross multiply
    181,044.30x = 249,871.02 × 100,497.62
  4. Step 4: Simplify right side
    181,044.30x = 25,111,442,816.97
  5. Step 5: Solve for x
    x = 25,111,442,816.97/181,044.30
  6. Step 6: Final answer
    x = 138,703.31

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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.