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Finding the Fourth Proportional to 97,080.95, 133,959.92 and 54,049.67

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Solution

The fourth proportional to 97,080.95, 133,959.92 and 54,049.67 is: 74,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,080.95 : 133,959.92 = 54,049.67 : x
  2. Step 2: Convert to fraction form
    97,080.95/133,959.92 = 54,049.67/x
  3. Step 3: Cross multiply
    97,080.95x = 133,959.92 × 54,049.67
  4. Step 4: Simplify right side
    97,080.95x = 7,240,488,529.18
  5. Step 5: Solve for x
    x = 7,240,488,529.18/97,080.95
  6. Step 6: Final answer
    x = 74,581.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.