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Finding the Fourth Proportional to 94,763.60, 130,772.90 and 52,321.20

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Solution

The fourth proportional to 94,763.60, 130,772.90 and 52,321.20 is: 72,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,763.60 : 130,772.90 = 52,321.20 : x
  2. Step 2: Convert to fraction form
    94,763.60/130,772.90 = 52,321.20/x
  3. Step 3: Cross multiply
    94,763.60x = 130,772.90 × 52,321.20
  4. Step 4: Simplify right side
    94,763.60x = 6,842,195,055.48
  5. Step 5: Solve for x
    x = 6,842,195,055.48/94,763.60
  6. Step 6: Final answer
    x = 72,202.78

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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.