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Finding the Fourth Proportional to 144,050.77, 216,076.15 and 38,869.74

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Solution

The fourth proportional to 144,050.77, 216,076.15 and 38,869.74 is: 58,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,050.77 : 216,076.15 = 38,869.74 : x
  2. Step 2: Convert to fraction form
    144,050.77/216,076.15 = 38,869.74/x
  3. Step 3: Cross multiply
    144,050.77x = 216,076.15 × 38,869.74
  4. Step 4: Simplify right side
    144,050.77x = 8,398,823,770.70
  5. Step 5: Solve for x
    x = 8,398,823,770.70/144,050.77
  6. Step 6: Final answer
    x = 58,304.61

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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.