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Finding the Fourth Proportional to 71,010.60, 106,515.12 and 48,756.12

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Solution

The fourth proportional to 71,010.60, 106,515.12 and 48,756.12 is: 73,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.60 : 106,515.12 = 48,756.12 : x
  2. Step 2: Convert to fraction form
    71,010.60/106,515.12 = 48,756.12/x
  3. Step 3: Cross multiply
    71,010.60x = 106,515.12 × 48,756.12
  4. Step 4: Simplify right side
    71,010.60x = 5,193,263,972.53
  5. Step 5: Solve for x
    x = 5,193,263,972.53/71,010.60
  6. Step 6: Final answer
    x = 73,133.64

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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.