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Finding the Fourth Proportional to 249,644.52, 374,466.80 and 83,432.52

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Solution

The fourth proportional to 249,644.52, 374,466.80 and 83,432.52 is: 125,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,644.52 : 374,466.80 = 83,432.52 : x
  2. Step 2: Convert to fraction form
    249,644.52/374,466.80 = 83,432.52/x
  3. Step 3: Cross multiply
    249,644.52x = 374,466.80 × 83,432.52
  4. Step 4: Simplify right side
    249,644.52x = 31,242,708,780.34
  5. Step 5: Solve for x
    x = 31,242,708,780.34/249,644.52
  6. Step 6: Final answer
    x = 125,148.79

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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.