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Finding the Fourth Proportional to 561,459.42, 842,098.68 and 156,662.10

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Solution

The fourth proportional to 561,459.42, 842,098.68 and 156,662.10 is: 234,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,459.42 : 842,098.68 = 156,662.10 : x
  2. Step 2: Convert to fraction form
    561,459.42/842,098.68 = 156,662.10/x
  3. Step 3: Cross multiply
    561,459.42x = 842,098.68 × 156,662.10
  4. Step 4: Simplify right side
    561,459.42x = 131,924,947,616.03
  5. Step 5: Solve for x
    x = 131,924,947,616.03/561,459.42
  6. Step 6: Final answer
    x = 234,967.91

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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.