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Finding the Fourth Proportional to 121,337.30, 182,005.95 and 110,839.70

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Solution

The fourth proportional to 121,337.30, 182,005.95 and 110,839.70 is: 166,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,337.30 : 182,005.95 = 110,839.70 : x
  2. Step 2: Convert to fraction form
    121,337.30/182,005.95 = 110,839.70/x
  3. Step 3: Cross multiply
    121,337.30x = 182,005.95 × 110,839.70
  4. Step 4: Simplify right side
    121,337.30x = 20,173,484,896.22
  5. Step 5: Solve for x
    x = 20,173,484,896.22/121,337.30
  6. Step 6: Final answer
    x = 166,259.55

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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.