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Finding the Fourth Proportional to 144,503.70, 216,793.35 and 55,760.10

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Solution

The fourth proportional to 144,503.70, 216,793.35 and 55,760.10 is: 83,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503.70 : 216,793.35 = 55,760.10 : x
  2. Step 2: Convert to fraction form
    144,503.70/216,793.35 = 55,760.10/x
  3. Step 3: Cross multiply
    144,503.70x = 216,793.35 × 55,760.10
  4. Step 4: Simplify right side
    144,503.70x = 12,088,418,875.34
  5. Step 5: Solve for x
    x = 12,088,418,875.34/144,503.70
  6. Step 6: Final answer
    x = 83,654.74

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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.