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Finding the Fourth Proportional to 111,510.60, 167,265.90 and 36,642.30

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Solution

The fourth proportional to 111,510.60, 167,265.90 and 36,642.30 is: 54,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,510.60 : 167,265.90 = 36,642.30 : x
  2. Step 2: Convert to fraction form
    111,510.60/167,265.90 = 36,642.30/x
  3. Step 3: Cross multiply
    111,510.60x = 167,265.90 × 36,642.30
  4. Step 4: Simplify right side
    111,510.60x = 6,129,007,287.57
  5. Step 5: Solve for x
    x = 6,129,007,287.57/111,510.60
  6. Step 6: Final answer
    x = 54,963.45

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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.