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Finding the Fourth Proportional to 223,228.90, 334,843.35 and 156,744.10

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Solution

The fourth proportional to 223,228.90, 334,843.35 and 156,744.10 is: 235,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,228.90 : 334,843.35 = 156,744.10 : x
  2. Step 2: Convert to fraction form
    223,228.90/334,843.35 = 156,744.10/x
  3. Step 3: Cross multiply
    223,228.90x = 334,843.35 × 156,744.10
  4. Step 4: Simplify right side
    223,228.90x = 52,484,719,536.74
  5. Step 5: Solve for x
    x = 52,484,719,536.74/223,228.90
  6. Step 6: Final answer
    x = 235,116.15

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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.