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Finding the Fourth Proportional to 144,115.11, 216,214.11 and 59,859.59

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Solution

The fourth proportional to 144,115.11, 216,214.11 and 59,859.59 is: 89,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,115.11 : 216,214.11 = 59,859.59 : x
  2. Step 2: Convert to fraction form
    144,115.11/216,214.11 = 59,859.59/x
  3. Step 3: Cross multiply
    144,115.11x = 216,214.11 × 59,859.59
  4. Step 4: Simplify right side
    144,115.11x = 12,942,486,895.74
  5. Step 5: Solve for x
    x = 12,942,486,895.74/144,115.11
  6. Step 6: Final answer
    x = 89,806.59

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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.