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Finding the Fourth Proportional to 100,954.80, 151,432.20 and 93,351.60

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Solution

The fourth proportional to 100,954.80, 151,432.20 and 93,351.60 is: 140,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,954.80 : 151,432.20 = 93,351.60 : x
  2. Step 2: Convert to fraction form
    100,954.80/151,432.20 = 93,351.60/x
  3. Step 3: Cross multiply
    100,954.80x = 151,432.20 × 93,351.60
  4. Step 4: Simplify right side
    100,954.80x = 14,136,438,161.52
  5. Step 5: Solve for x
    x = 14,136,438,161.52/100,954.80
  6. Step 6: Final answer
    x = 140,027.40

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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.