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Finding the Fourth Proportional to 144,210.67, 216,451.68 and 73,184.29

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Solution

The fourth proportional to 144,210.67, 216,451.68 and 73,184.29 is: 109,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,210.67 : 216,451.68 = 73,184.29 : x
  2. Step 2: Convert to fraction form
    144,210.67/216,451.68 = 73,184.29/x
  3. Step 3: Cross multiply
    144,210.67x = 216,451.68 × 73,184.29
  4. Step 4: Simplify right side
    144,210.67x = 15,840,862,520.11
  5. Step 5: Solve for x
    x = 15,840,862,520.11/144,210.67
  6. Step 6: Final answer
    x = 109,845.29

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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.