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Finding the Fourth Proportional to 249,573.20, 374,248.56 and 72,038

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Solution

The fourth proportional to 249,573.20, 374,248.56 and 72,038 is: 108,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,573.20 : 374,248.56 = 72,038 : x
  2. Step 2: Convert to fraction form
    249,573.20/374,248.56 = 72,038/x
  3. Step 3: Cross multiply
    249,573.20x = 374,248.56 × 72,038
  4. Step 4: Simplify right side
    249,573.20x = 26,960,117,765.28
  5. Step 5: Solve for x
    x = 26,960,117,765.28/249,573.20
  6. Step 6: Final answer
    x = 108,024.89

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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.