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Finding the Fourth Proportional to 156,149.52, 234,230.72 and 45,341.52

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Solution

The fourth proportional to 156,149.52, 234,230.72 and 45,341.52 is: 68,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,149.52 : 234,230.72 = 45,341.52 : x
  2. Step 2: Convert to fraction form
    156,149.52/234,230.72 = 45,341.52/x
  3. Step 3: Cross multiply
    156,149.52x = 234,230.72 × 45,341.52
  4. Step 4: Simplify right side
    156,149.52x = 10,620,376,875.49
  5. Step 5: Solve for x
    x = 10,620,376,875.49/156,149.52
  6. Step 6: Final answer
    x = 68,014.15

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1.5x scale

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.