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Finding the Fourth Proportional to 94,470.62, 130,372.62 and 51,451.78

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Solution

The fourth proportional to 94,470.62, 130,372.62 and 51,451.78 is: 71,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,470.62 : 130,372.62 = 51,451.78 : x
  2. Step 2: Convert to fraction form
    94,470.62/130,372.62 = 51,451.78/x
  3. Step 3: Cross multiply
    94,470.62x = 130,372.62 × 51,451.78
  4. Step 4: Simplify right side
    94,470.62x = 6,707,903,362.26
  5. Step 5: Solve for x
    x = 6,707,903,362.26/94,470.62
  6. Step 6: Final answer
    x = 71,005.18

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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.