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Finding the Fourth Proportional to 223,044.54, 334,567.28 and 156,781.17

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Solution

The fourth proportional to 223,044.54, 334,567.28 and 156,781.17 is: 235,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,044.54 : 334,567.28 = 156,781.17 : x
  2. Step 2: Convert to fraction form
    223,044.54/334,567.28 = 156,781.17/x
  3. Step 3: Cross multiply
    223,044.54x = 334,567.28 × 156,781.17
  4. Step 4: Simplify right side
    223,044.54x = 52,453,848,818.21
  5. Step 5: Solve for x
    x = 52,453,848,818.21/223,044.54
  6. Step 6: Final answer
    x = 235,172.08

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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.