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Finding the Fourth Proportional to 249,856.60, 374,655.30 and 92,003.80

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Solution

The fourth proportional to 249,856.60, 374,655.30 and 92,003.80 is: 137,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,856.60 : 374,655.30 = 92,003.80 : x
  2. Step 2: Convert to fraction form
    249,856.60/374,655.30 = 92,003.80/x
  3. Step 3: Cross multiply
    249,856.60x = 374,655.30 × 92,003.80
  4. Step 4: Simplify right side
    249,856.60x = 34,469,711,290.14
  5. Step 5: Solve for x
    x = 34,469,711,290.14/249,856.60
  6. Step 6: Final answer
    x = 137,957.98

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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.