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Finding the Fourth Proportional to 144,239.62, 216,368.67 and 55,493.14

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Solution

The fourth proportional to 144,239.62, 216,368.67 and 55,493.14 is: 83,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,239.62 : 216,368.67 = 55,493.14 : x
  2. Step 2: Convert to fraction form
    144,239.62/216,368.67 = 55,493.14/x
  3. Step 3: Cross multiply
    144,239.62x = 216,368.67 × 55,493.14
  4. Step 4: Simplify right side
    144,239.62x = 12,006,976,895.92
  5. Step 5: Solve for x
    x = 12,006,976,895.92/144,239.62
  6. Step 6: Final answer
    x = 83,243.26

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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.