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Finding the Fourth Proportional to 249,635.88, 374,453.82 and 83,423.88

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Solution

The fourth proportional to 249,635.88, 374,453.82 and 83,423.88 is: 125,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,635.88 : 374,453.82 = 83,423.88 : x
  2. Step 2: Convert to fraction form
    249,635.88/374,453.82 = 83,423.88/x
  3. Step 3: Cross multiply
    249,635.88x = 374,453.82 × 83,423.88
  4. Step 4: Simplify right side
    249,635.88x = 31,238,390,545.22
  5. Step 5: Solve for x
    x = 31,238,390,545.22/249,635.88
  6. Step 6: Final answer
    x = 125,135.82

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1.5x scale

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.