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Finding the Fourth Proportional to 94,725.60, 142,203.60 and 71,167.20

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Solution

The fourth proportional to 94,725.60, 142,203.60 and 71,167.20 is: 106,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,725.60 : 142,203.60 = 71,167.20 : x
  2. Step 2: Convert to fraction form
    94,725.60/142,203.60 = 71,167.20/x
  3. Step 3: Cross multiply
    94,725.60x = 142,203.60 × 71,167.20
  4. Step 4: Simplify right side
    94,725.60x = 10,120,232,041.92
  5. Step 5: Solve for x
    x = 10,120,232,041.92/94,725.60
  6. Step 6: Final answer
    x = 106,837.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.