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Finding the Fourth Proportional to 94,479.71, 130,377.08 and 58,668.95

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Solution

The fourth proportional to 94,479.71, 130,377.08 and 58,668.95 is: 80,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,479.71 : 130,377.08 = 58,668.95 : x
  2. Step 2: Convert to fraction form
    94,479.71/130,377.08 = 58,668.95/x
  3. Step 3: Cross multiply
    94,479.71x = 130,377.08 × 58,668.95
  4. Step 4: Simplify right side
    94,479.71x = 7,649,086,860.28
  5. Step 5: Solve for x
    x = 7,649,086,860.28/94,479.71
  6. Step 6: Final answer
    x = 80,960.10

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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.