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Finding the Fourth Proportional to 144,512.00, 216,800.96 and 77,950.65

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Solution

The fourth proportional to 144,512.00, 216,800.96 and 77,950.65 is: 116,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.00 : 216,800.96 = 77,950.65 : x
  2. Step 2: Convert to fraction form
    144,512.00/216,800.96 = 77,950.65/x
  3. Step 3: Cross multiply
    144,512.00x = 216,800.96 × 77,950.65
  4. Step 4: Simplify right side
    144,512.00x = 16,899,776,175.87
  5. Step 5: Solve for x
    x = 16,899,776,175.87/144,512.00
  6. Step 6: Final answer
    x = 116,943.76

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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.