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Finding the Fourth Proportional to 94,310.80, 130,149.99 and 51,870.04

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Solution

The fourth proportional to 94,310.80, 130,149.99 and 51,870.04 is: 71,581.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,310.80 : 130,149.99 = 51,870.04 : x
  2. Step 2: Convert to fraction form
    94,310.80/130,149.99 = 51,870.04/x
  3. Step 3: Cross multiply
    94,310.80x = 130,149.99 × 51,870.04
  4. Step 4: Simplify right side
    94,310.80x = 6,750,884,277.20
  5. Step 5: Solve for x
    x = 6,750,884,277.20/94,310.80
  6. Step 6: Final answer
    x = 71,581.25

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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.