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Finding the Fourth Proportional to 94,167.90, 129,975.80 and 58,388.58

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Solution

The fourth proportional to 94,167.90, 129,975.80 and 58,388.58 is: 80,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,167.90 : 129,975.80 = 58,388.58 : x
  2. Step 2: Convert to fraction form
    94,167.90/129,975.80 = 58,388.58/x
  3. Step 3: Cross multiply
    94,167.90x = 129,975.80 × 58,388.58
  4. Step 4: Simplify right side
    94,167.90x = 7,589,103,029.74
  5. Step 5: Solve for x
    x = 7,589,103,029.74/94,167.90
  6. Step 6: Final answer
    x = 80,591.19

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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.