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Finding the Fourth Proportional to 144,569.60, 216,854.40 and 92,016.80

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Solution

The fourth proportional to 144,569.60, 216,854.40 and 92,016.80 is: 138,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,569.60 : 216,854.40 = 92,016.80 : x
  2. Step 2: Convert to fraction form
    144,569.60/216,854.40 = 92,016.80/x
  3. Step 3: Cross multiply
    144,569.60x = 216,854.40 × 92,016.80
  4. Step 4: Simplify right side
    144,569.60x = 19,954,247,953.92
  5. Step 5: Solve for x
    x = 19,954,247,953.92/144,569.60
  6. Step 6: Final answer
    x = 138,025.20

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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.