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Finding the Fourth Proportional to 181,281.76, 271,615.20 and 111,014.08

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Solution

The fourth proportional to 181,281.76, 271,615.20 and 111,014.08 is: 166,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,281.76 : 271,615.20 = 111,014.08 : x
  2. Step 2: Convert to fraction form
    181,281.76/271,615.20 = 111,014.08/x
  3. Step 3: Cross multiply
    181,281.76x = 271,615.20 × 111,014.08
  4. Step 4: Simplify right side
    181,281.76x = 30,153,111,542.02
  5. Step 5: Solve for x
    x = 30,153,111,542.02/181,281.76
  6. Step 6: Final answer
    x = 166,332.85

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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.