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Finding the Fourth Proportional to 111,130.30, 166,695.45 and 48,800.80

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Solution

The fourth proportional to 111,130.30, 166,695.45 and 48,800.80 is: 73,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,130.30 : 166,695.45 = 48,800.80 : x
  2. Step 2: Convert to fraction form
    111,130.30/166,695.45 = 48,800.80/x
  3. Step 3: Cross multiply
    111,130.30x = 166,695.45 × 48,800.80
  4. Step 4: Simplify right side
    111,130.30x = 8,134,871,316.36
  5. Step 5: Solve for x
    x = 8,134,871,316.36/111,130.30
  6. Step 6: Final answer
    x = 73,201.20

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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.