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Finding the Fourth Proportional to 91,573.54, 137,411.34 and 49,452.76

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Solution

The fourth proportional to 91,573.54, 137,411.34 and 49,452.76 is: 74,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,573.54 : 137,411.34 = 49,452.76 : x
  2. Step 2: Convert to fraction form
    91,573.54/137,411.34 = 49,452.76/x
  3. Step 3: Cross multiply
    91,573.54x = 137,411.34 × 49,452.76
  4. Step 4: Simplify right side
    91,573.54x = 6,795,370,018.30
  5. Step 5: Solve for x
    x = 6,795,370,018.30/91,573.54
  6. Step 6: Final answer
    x = 74,206.70

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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.