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Finding the Fourth Proportional to 90,527.52, 124,922.34 and 54,696.36

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Solution

The fourth proportional to 90,527.52, 124,922.34 and 54,696.36 is: 75,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527.52 : 124,922.34 = 54,696.36 : x
  2. Step 2: Convert to fraction form
    90,527.52/124,922.34 = 54,696.36/x
  3. Step 3: Cross multiply
    90,527.52x = 124,922.34 × 54,696.36
  4. Step 4: Simplify right side
    90,527.52x = 6,832,797,280.68
  5. Step 5: Solve for x
    x = 6,832,797,280.68/90,527.52
  6. Step 6: Final answer
    x = 75,477.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.