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Finding the Fourth Proportional to 62,081.80, 93,122.70 and 43,322.20

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Solution

The fourth proportional to 62,081.80, 93,122.70 and 43,322.20 is: 64,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,081.80 : 93,122.70 = 43,322.20 : x
  2. Step 2: Convert to fraction form
    62,081.80/93,122.70 = 43,322.20/x
  3. Step 3: Cross multiply
    62,081.80x = 93,122.70 × 43,322.20
  4. Step 4: Simplify right side
    62,081.80x = 4,034,280,233.94
  5. Step 5: Solve for x
    x = 4,034,280,233.94/62,081.80
  6. Step 6: Final answer
    x = 64,983.30

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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.