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Finding the Fourth Proportional to 156,045.20, 234,067.80 and 97,062.80

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Solution

The fourth proportional to 156,045.20, 234,067.80 and 97,062.80 is: 145,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,045.20 : 234,067.80 = 97,062.80 : x
  2. Step 2: Convert to fraction form
    156,045.20/234,067.80 = 97,062.80/x
  3. Step 3: Cross multiply
    156,045.20x = 234,067.80 × 97,062.80
  4. Step 4: Simplify right side
    156,045.20x = 22,719,276,057.84
  5. Step 5: Solve for x
    x = 22,719,276,057.84/156,045.20
  6. Step 6: Final answer
    x = 145,594.20

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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.