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Finding the Fourth Proportional to 80,089.52, 110,396.30 and 63,066.76

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Solution

The fourth proportional to 80,089.52, 110,396.30 and 63,066.76 is: 86,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,089.52 : 110,396.30 = 63,066.76 : x
  2. Step 2: Convert to fraction form
    80,089.52/110,396.30 = 63,066.76/x
  3. Step 3: Cross multiply
    80,089.52x = 110,396.30 × 63,066.76
  4. Step 4: Simplify right side
    80,089.52x = 6,962,336,956.99
  5. Step 5: Solve for x
    x = 6,962,336,956.99/80,089.52
  6. Step 6: Final answer
    x = 86,931.94

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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.