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Finding the Fourth Proportional to 94,693.80, 130,680.20 and 52,255.08

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Solution

The fourth proportional to 94,693.80, 130,680.20 and 52,255.08 is: 72,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,693.80 : 130,680.20 = 52,255.08 : x
  2. Step 2: Convert to fraction form
    94,693.80/130,680.20 = 52,255.08/x
  3. Step 3: Cross multiply
    94,693.80x = 130,680.20 × 52,255.08
  4. Step 4: Simplify right side
    94,693.80x = 6,828,704,305.42
  5. Step 5: Solve for x
    x = 6,828,704,305.42/94,693.80
  6. Step 6: Final answer
    x = 72,113.53

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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.