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Finding the Fourth Proportional to 113,247.80, 169,871.70 and 101,000.60

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Solution

The fourth proportional to 113,247.80, 169,871.70 and 101,000.60 is: 151,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,247.80 : 169,871.70 = 101,000.60 : x
  2. Step 2: Convert to fraction form
    113,247.80/169,871.70 = 101,000.60/x
  3. Step 3: Cross multiply
    113,247.80x = 169,871.70 × 101,000.60
  4. Step 4: Simplify right side
    113,247.80x = 17,157,143,623.02
  5. Step 5: Solve for x
    x = 17,157,143,623.02/113,247.80
  6. Step 6: Final answer
    x = 151,500.90

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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.