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Finding the Fourth Proportional to 111,241.25, 153,512.01 and 60,252.80

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Solution

The fourth proportional to 111,241.25, 153,512.01 and 60,252.80 is: 83,148.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,241.25 : 153,512.01 = 60,252.80 : x
  2. Step 2: Convert to fraction form
    111,241.25/153,512.01 = 60,252.80/x
  3. Step 3: Cross multiply
    111,241.25x = 153,512.01 × 60,252.80
  4. Step 4: Simplify right side
    111,241.25x = 9,249,527,668.57
  5. Step 5: Solve for x
    x = 9,249,527,668.57/111,241.25
  6. Step 6: Final answer
    x = 83,148.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.