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Finding the Fourth Proportional to 223,612.92, 335,574.90 and 144,531

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Solution

The fourth proportional to 223,612.92, 335,574.90 and 144,531 is: 216,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,612.92 : 335,574.90 = 144,531 : x
  2. Step 2: Convert to fraction form
    223,612.92/335,574.90 = 144,531/x
  3. Step 3: Cross multiply
    223,612.92x = 335,574.90 × 144,531
  4. Step 4: Simplify right side
    223,612.92x = 48,500,975,871.90
  5. Step 5: Solve for x
    x = 48,500,975,871.90/223,612.92
  6. Step 6: Final answer
    x = 216,897.02

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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.