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Finding the Fourth Proportional to 180,517.92, 249,123.88 and 99,954.28

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Solution

The fourth proportional to 180,517.92, 249,123.88 and 99,954.28 is: 137,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,517.92 : 249,123.88 = 99,954.28 : x
  2. Step 2: Convert to fraction form
    180,517.92/249,123.88 = 99,954.28/x
  3. Step 3: Cross multiply
    180,517.92x = 249,123.88 × 99,954.28
  4. Step 4: Simplify right side
    180,517.92x = 24,900,998,056.21
  5. Step 5: Solve for x
    x = 24,900,998,056.21/180,517.92
  6. Step 6: Final answer
    x = 137,941.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.