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Finding the Fourth Proportional to 84,479.95, 116,630.85 and 63,087.65

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Solution

The fourth proportional to 84,479.95, 116,630.85 and 63,087.65 is: 87,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,479.95 : 116,630.85 = 63,087.65 : x
  2. Step 2: Convert to fraction form
    84,479.95/116,630.85 = 63,087.65/x
  3. Step 3: Cross multiply
    84,479.95x = 116,630.85 × 63,087.65
  4. Step 4: Simplify right side
    84,479.95x = 7,357,966,244.00
  5. Step 5: Solve for x
    x = 7,357,966,244.00/84,479.95
  6. Step 6: Final answer
    x = 87,097.19

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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.