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Finding the Fourth Proportional to 111,663.64, 167,401.25 and 48,436.16

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Solution

The fourth proportional to 111,663.64, 167,401.25 and 48,436.16 is: 72,613.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,663.64 : 167,401.25 = 48,436.16 : x
  2. Step 2: Convert to fraction form
    111,663.64/167,401.25 = 48,436.16/x
  3. Step 3: Cross multiply
    111,663.64x = 167,401.25 × 48,436.16
  4. Step 4: Simplify right side
    111,663.64x = 8,108,273,729.20
  5. Step 5: Solve for x
    x = 8,108,273,729.20/111,663.64
  6. Step 6: Final answer
    x = 72,613.37

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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.