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Finding the Fourth Proportional to 166,387.52, 249,644.16 and 99,874.01

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Solution

The fourth proportional to 166,387.52, 249,644.16 and 99,874.01 is: 149,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,387.52 : 249,644.16 = 99,874.01 : x
  2. Step 2: Convert to fraction form
    166,387.52/249,644.16 = 99,874.01/x
  3. Step 3: Cross multiply
    166,387.52x = 249,644.16 × 99,874.01
  4. Step 4: Simplify right side
    166,387.52x = 24,932,963,332.28
  5. Step 5: Solve for x
    x = 24,932,963,332.28/166,387.52
  6. Step 6: Final answer
    x = 149,848.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.