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Finding the Fourth Proportional to 193,378.60, 290,140.80 and 93,627.10

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Solution

The fourth proportional to 193,378.60, 290,140.80 and 93,627.10 is: 140,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,378.60 : 290,140.80 = 93,627.10 : x
  2. Step 2: Convert to fraction form
    193,378.60/290,140.80 = 93,627.10/x
  3. Step 3: Cross multiply
    193,378.60x = 290,140.80 × 93,627.10
  4. Step 4: Simplify right side
    193,378.60x = 27,165,041,695.68
  5. Step 5: Solve for x
    x = 27,165,041,695.68/193,378.60
  6. Step 6: Final answer
    x = 140,475.95

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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.