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Finding the Fourth Proportional to 156,658.64, 235,221.24 and 63,346.64

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Solution

The fourth proportional to 156,658.64, 235,221.24 and 63,346.64 is: 95,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,658.64 : 235,221.24 = 63,346.64 : x
  2. Step 2: Convert to fraction form
    156,658.64/235,221.24 = 63,346.64/x
  3. Step 3: Cross multiply
    156,658.64x = 235,221.24 × 63,346.64
  4. Step 4: Simplify right side
    156,658.64x = 14,900,475,210.63
  5. Step 5: Solve for x
    x = 14,900,475,210.63/156,658.64
  6. Step 6: Final answer
    x = 95,114.29

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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.