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Finding the Fourth Proportional to 85,116.96, 127,704.60 and 32,541.48

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Solution

The fourth proportional to 85,116.96, 127,704.60 and 32,541.48 is: 48,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,116.96 : 127,704.60 = 32,541.48 : x
  2. Step 2: Convert to fraction form
    85,116.96/127,704.60 = 32,541.48/x
  3. Step 3: Cross multiply
    85,116.96x = 127,704.60 × 32,541.48
  4. Step 4: Simplify right side
    85,116.96x = 4,155,696,686.81
  5. Step 5: Solve for x
    x = 4,155,696,686.81/85,116.96
  6. Step 6: Final answer
    x = 48,823.37

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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.