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Finding the Fourth Proportional to 144,417.75, 216,631.57 and 49,647.13

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Solution

The fourth proportional to 144,417.75, 216,631.57 and 49,647.13 is: 74,472.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,417.75 : 216,631.57 = 49,647.13 : x
  2. Step 2: Convert to fraction form
    144,417.75/216,631.57 = 49,647.13/x
  3. Step 3: Cross multiply
    144,417.75x = 216,631.57 × 49,647.13
  4. Step 4: Simplify right side
    144,417.75x = 10,755,135,717.89
  5. Step 5: Solve for x
    x = 10,755,135,717.89/144,417.75
  6. Step 6: Final answer
    x = 74,472.39

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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.