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Finding the Fourth Proportional to 249,731.52, 374,597.60 and 101,987.52

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Solution

The fourth proportional to 249,731.52, 374,597.60 and 101,987.52 is: 152,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,731.52 : 374,597.60 = 101,987.52 : x
  2. Step 2: Convert to fraction form
    249,731.52/374,597.60 = 101,987.52/x
  3. Step 3: Cross multiply
    249,731.52x = 374,597.60 × 101,987.52
  4. Step 4: Simplify right side
    249,731.52x = 38,204,280,221.95
  5. Step 5: Solve for x
    x = 38,204,280,221.95/249,731.52
  6. Step 6: Final answer
    x = 152,981.41

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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.