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Finding the Fourth Proportional to 100,585.50, 150,648.62 and 48,031.89

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Solution

The fourth proportional to 100,585.50, 150,648.62 and 48,031.89 is: 71,938.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,585.50 : 150,648.62 = 48,031.89 : x
  2. Step 2: Convert to fraction form
    100,585.50/150,648.62 = 48,031.89/x
  3. Step 3: Cross multiply
    100,585.50x = 150,648.62 × 48,031.89
  4. Step 4: Simplify right side
    100,585.50x = 7,235,937,704.33
  5. Step 5: Solve for x
    x = 7,235,937,704.33/100,585.50
  6. Step 6: Final answer
    x = 71,938.18

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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.