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Finding the Fourth Proportional to 80,088.52, 110,394.92 and 63,065.76

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Solution

The fourth proportional to 80,088.52, 110,394.92 and 63,065.76 is: 86,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088.52 : 110,394.92 = 63,065.76 : x
  2. Step 2: Convert to fraction form
    80,088.52/110,394.92 = 63,065.76/x
  3. Step 3: Cross multiply
    80,088.52x = 110,394.92 × 63,065.76
  4. Step 4: Simplify right side
    80,088.52x = 6,962,139,529.94
  5. Step 5: Solve for x
    x = 6,962,139,529.94/80,088.52
  6. Step 6: Final answer
    x = 86,930.56

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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.