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Finding the Fourth Proportional to 295,194.60, 442,856.70 and 145,506.60

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Solution

The fourth proportional to 295,194.60, 442,856.70 and 145,506.60 is: 218,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,194.60 : 442,856.70 = 145,506.60 : x
  2. Step 2: Convert to fraction form
    295,194.60/442,856.70 = 145,506.60/x
  3. Step 3: Cross multiply
    295,194.60x = 442,856.70 × 145,506.60
  4. Step 4: Simplify right side
    295,194.60x = 64,438,572,704.22
  5. Step 5: Solve for x
    x = 64,438,572,704.22/295,194.60
  6. Step 6: Final answer
    x = 218,291.84

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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.