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Finding the Fourth Proportional to 82,032.60, 123,048.90 and 44,707.80

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Solution

The fourth proportional to 82,032.60, 123,048.90 and 44,707.80 is: 67,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,032.60 : 123,048.90 = 44,707.80 : x
  2. Step 2: Convert to fraction form
    82,032.60/123,048.90 = 44,707.80/x
  3. Step 3: Cross multiply
    82,032.60x = 123,048.90 × 44,707.80
  4. Step 4: Simplify right side
    82,032.60x = 5,501,245,611.42
  5. Step 5: Solve for x
    x = 5,501,245,611.42/82,032.60
  6. Step 6: Final answer
    x = 67,061.70

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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.