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Finding the Fourth Proportional to 95,880.60, 143,820.90 and 91,506.60

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Solution

The fourth proportional to 95,880.60, 143,820.90 and 91,506.60 is: 137,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,880.60 : 143,820.90 = 91,506.60 : x
  2. Step 2: Convert to fraction form
    95,880.60/143,820.90 = 91,506.60/x
  3. Step 3: Cross multiply
    95,880.60x = 143,820.90 × 91,506.60
  4. Step 4: Simplify right side
    95,880.60x = 13,160,561,567.94
  5. Step 5: Solve for x
    x = 13,160,561,567.94/95,880.60
  6. Step 6: Final answer
    x = 137,259.90

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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.