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Finding the Fourth Proportional to 96,560.70, 144,841.05 and 30,000.30

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Solution

The fourth proportional to 96,560.70, 144,841.05 and 30,000.30 is: 45,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,560.70 : 144,841.05 = 30,000.30 : x
  2. Step 2: Convert to fraction form
    96,560.70/144,841.05 = 30,000.30/x
  3. Step 3: Cross multiply
    96,560.70x = 144,841.05 × 30,000.30
  4. Step 4: Simplify right side
    96,560.70x = 4,345,274,952.32
  5. Step 5: Solve for x
    x = 4,345,274,952.32/96,560.70
  6. Step 6: Final answer
    x = 45,000.45

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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.