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Finding the Fourth Proportional to 84,680.87, 116,855.65 and 48,882.42

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Solution

The fourth proportional to 84,680.87, 116,855.65 and 48,882.42 is: 67,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,680.87 : 116,855.65 = 48,882.42 : x
  2. Step 2: Convert to fraction form
    84,680.87/116,855.65 = 48,882.42/x
  3. Step 3: Cross multiply
    84,680.87x = 116,855.65 × 48,882.42
  4. Step 4: Simplify right side
    84,680.87x = 5,712,186,133.98
  5. Step 5: Solve for x
    x = 5,712,186,133.98/84,680.87
  6. Step 6: Final answer
    x = 67,455.45

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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.