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Finding the Fourth Proportional to 77,655.60, 116,499.60 and 44,348.40

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Solution

The fourth proportional to 77,655.60, 116,499.60 and 44,348.40 is: 66,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,655.60 : 116,499.60 = 44,348.40 : x
  2. Step 2: Convert to fraction form
    77,655.60/116,499.60 = 44,348.40/x
  3. Step 3: Cross multiply
    77,655.60x = 116,499.60 × 44,348.40
  4. Step 4: Simplify right side
    77,655.60x = 5,166,570,860.64
  5. Step 5: Solve for x
    x = 5,166,570,860.64/77,655.60
  6. Step 6: Final answer
    x = 66,531.85

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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.