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Finding the Fourth Proportional to 60,770.30, 91,155.05 and 32,703.56

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Solution

The fourth proportional to 60,770.30, 91,155.05 and 32,703.56 is: 49,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,770.30 : 91,155.05 = 32,703.56 : x
  2. Step 2: Convert to fraction form
    60,770.30/91,155.05 = 32,703.56/x
  3. Step 3: Cross multiply
    60,770.30x = 91,155.05 × 32,703.56
  4. Step 4: Simplify right side
    60,770.30x = 2,981,094,483.46
  5. Step 5: Solve for x
    x = 2,981,094,483.46/60,770.30
  6. Step 6: Final answer
    x = 49,055.12

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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.