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Finding the Fourth Proportional to 144,233.28, 216,349.92 and 136,556.64

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Solution

The fourth proportional to 144,233.28, 216,349.92 and 136,556.64 is: 204,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,233.28 : 216,349.92 = 136,556.64 : x
  2. Step 2: Convert to fraction form
    144,233.28/216,349.92 = 136,556.64/x
  3. Step 3: Cross multiply
    144,233.28x = 216,349.92 × 136,556.64
  4. Step 4: Simplify right side
    144,233.28x = 29,544,018,139.47
  5. Step 5: Solve for x
    x = 29,544,018,139.47/144,233.28
  6. Step 6: Final answer
    x = 204,834.96

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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.