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Finding the Fourth Proportional to 144,023.10, 216,000.09 and 73,866.30

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Solution

The fourth proportional to 144,023.10, 216,000.09 and 73,866.30 is: 110,781.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.10 : 216,000.09 = 73,866.30 : x
  2. Step 2: Convert to fraction form
    144,023.10/216,000.09 = 73,866.30/x
  3. Step 3: Cross multiply
    144,023.10x = 216,000.09 × 73,866.30
  4. Step 4: Simplify right side
    144,023.10x = 15,955,127,447.97
  5. Step 5: Solve for x
    x = 15,955,127,447.97/144,023.10
  6. Step 6: Final answer
    x = 110,781.72

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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.