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Finding the Fourth Proportional to 84,793.86, 116,948.76 and 75,113.67

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Solution

The fourth proportional to 84,793.86, 116,948.76 and 75,113.67 is: 103,597.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,793.86 : 116,948.76 = 75,113.67 : x
  2. Step 2: Convert to fraction form
    84,793.86/116,948.76 = 75,113.67/x
  3. Step 3: Cross multiply
    84,793.86x = 116,948.76 × 75,113.67
  4. Step 4: Simplify right side
    84,793.86x = 8,784,450,565.55
  5. Step 5: Solve for x
    x = 8,784,450,565.55/84,793.86
  6. Step 6: Final answer
    x = 103,597.72

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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.