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Finding the Fourth Proportional to 123,743.60, 185,615.40 and 44,860.40

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Solution

The fourth proportional to 123,743.60, 185,615.40 and 44,860.40 is: 67,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,743.60 : 185,615.40 = 44,860.40 : x
  2. Step 2: Convert to fraction form
    123,743.60/185,615.40 = 44,860.40/x
  3. Step 3: Cross multiply
    123,743.60x = 185,615.40 × 44,860.40
  4. Step 4: Simplify right side
    123,743.60x = 8,326,781,090.16
  5. Step 5: Solve for x
    x = 8,326,781,090.16/123,743.60
  6. Step 6: Final answer
    x = 67,290.60

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1.5x scale

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.