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Finding the Fourth Proportional to 71,132.60, 106,601.70 and 58,010.60

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Solution

The fourth proportional to 71,132.60, 106,601.70 and 58,010.60 is: 86,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132.60 : 106,601.70 = 58,010.60 : x
  2. Step 2: Convert to fraction form
    71,132.60/106,601.70 = 58,010.60/x
  3. Step 3: Cross multiply
    71,132.60x = 106,601.70 × 58,010.60
  4. Step 4: Simplify right side
    71,132.60x = 6,184,028,578.02
  5. Step 5: Solve for x
    x = 6,184,028,578.02/71,132.60
  6. Step 6: Final answer
    x = 86,936.63

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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.