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Finding the Fourth Proportional to 103,465.60, 155,203.86 and 44,241.64

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Solution

The fourth proportional to 103,465.60, 155,203.86 and 44,241.64 is: 66,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,465.60 : 155,203.86 = 44,241.64 : x
  2. Step 2: Convert to fraction form
    103,465.60/155,203.86 = 44,241.64/x
  3. Step 3: Cross multiply
    103,465.60x = 155,203.86 × 44,241.64
  4. Step 4: Simplify right side
    103,465.60x = 6,866,473,300.73
  5. Step 5: Solve for x
    x = 6,866,473,300.73/103,465.60
  6. Step 6: Final answer
    x = 66,364.79

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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.