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Finding the Fourth Proportional to 82,902.66, 124,378.21 and 26,741.53

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Solution

The fourth proportional to 82,902.66, 124,378.21 and 26,741.53 is: 40,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,902.66 : 124,378.21 = 26,741.53 : x
  2. Step 2: Convert to fraction form
    82,902.66/124,378.21 = 26,741.53/x
  3. Step 3: Cross multiply
    82,902.66x = 124,378.21 × 26,741.53
  4. Step 4: Simplify right side
    82,902.66x = 3,326,063,356.54
  5. Step 5: Solve for x
    x = 3,326,063,356.54/82,902.66
  6. Step 6: Final answer
    x = 40,120.10

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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.