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Finding the Fourth Proportional to 60,098.04, 90,148.32 and 33,781.68

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Solution

The fourth proportional to 60,098.04, 90,148.32 and 33,781.68 is: 50,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,098.04 : 90,148.32 = 33,781.68 : x
  2. Step 2: Convert to fraction form
    60,098.04/90,148.32 = 33,781.68/x
  3. Step 3: Cross multiply
    60,098.04x = 90,148.32 × 33,781.68
  4. Step 4: Simplify right side
    60,098.04x = 3,045,361,698.78
  5. Step 5: Solve for x
    x = 3,045,361,698.78/60,098.04
  6. Step 6: Final answer
    x = 50,673.23

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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.