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Finding the Fourth Proportional to 91,854.60, 137,717.10 and 41,958.60

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Solution

The fourth proportional to 91,854.60, 137,717.10 and 41,958.60 is: 62,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854.60 : 137,717.10 = 41,958.60 : x
  2. Step 2: Convert to fraction form
    91,854.60/137,717.10 = 41,958.60/x
  3. Step 3: Cross multiply
    91,854.60x = 137,717.10 × 41,958.60
  4. Step 4: Simplify right side
    91,854.60x = 5,778,416,712.06
  5. Step 5: Solve for x
    x = 5,778,416,712.06/91,854.60
  6. Step 6: Final answer
    x = 62,908.30

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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.