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Finding the Fourth Proportional to 158,851.80, 237,888.90 and 75,648.60

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Solution

The fourth proportional to 158,851.80, 237,888.90 and 75,648.60 is: 113,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,851.80 : 237,888.90 = 75,648.60 : x
  2. Step 2: Convert to fraction form
    158,851.80/237,888.90 = 75,648.60/x
  3. Step 3: Cross multiply
    158,851.80x = 237,888.90 × 75,648.60
  4. Step 4: Simplify right side
    158,851.80x = 17,995,962,240.54
  5. Step 5: Solve for x
    x = 17,995,962,240.54/158,851.80
  6. Step 6: Final answer
    x = 113,287.75

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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.