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Finding the Fourth Proportional to 144,311.72, 216,495.93 and 44,454.92

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Solution

The fourth proportional to 144,311.72, 216,495.93 and 44,454.92 is: 66,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,311.72 : 216,495.93 = 44,454.92 : x
  2. Step 2: Convert to fraction form
    144,311.72/216,495.93 = 44,454.92/x
  3. Step 3: Cross multiply
    144,311.72x = 216,495.93 × 44,454.92
  4. Step 4: Simplify right side
    144,311.72x = 9,624,309,248.48
  5. Step 5: Solve for x
    x = 9,624,309,248.48/144,311.72
  6. Step 6: Final answer
    x = 66,691.11

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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.