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Finding the Fourth Proportional to 127,648.80, 191,473.68 and 44,542.80

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Solution

The fourth proportional to 127,648.80, 191,473.68 and 44,542.80 is: 66,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,648.80 : 191,473.68 = 44,542.80 : x
  2. Step 2: Convert to fraction form
    127,648.80/191,473.68 = 44,542.80/x
  3. Step 3: Cross multiply
    127,648.80x = 191,473.68 × 44,542.80
  4. Step 4: Simplify right side
    127,648.80x = 8,528,773,833.50
  5. Step 5: Solve for x
    x = 8,528,773,833.50/127,648.80
  6. Step 6: Final answer
    x = 66,814.37

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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.