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Finding the Fourth Proportional to 91,793.48, 137,688.54 and 25,233.34

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Solution

The fourth proportional to 91,793.48, 137,688.54 and 25,233.34 is: 37,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,793.48 : 137,688.54 = 25,233.34 : x
  2. Step 2: Convert to fraction form
    91,793.48/137,688.54 = 25,233.34/x
  3. Step 3: Cross multiply
    91,793.48x = 137,688.54 × 25,233.34
  4. Step 4: Simplify right side
    91,793.48x = 3,474,341,743.92
  5. Step 5: Solve for x
    x = 3,474,341,743.92/91,793.48
  6. Step 6: Final answer
    x = 37,849.55

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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.