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Finding the Fourth Proportional to 116,101.85, 174,152.78 and 69,445.85

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Solution

The fourth proportional to 116,101.85, 174,152.78 and 69,445.85 is: 104,168.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,101.85 : 174,152.78 = 69,445.85 : x
  2. Step 2: Convert to fraction form
    116,101.85/174,152.78 = 69,445.85/x
  3. Step 3: Cross multiply
    116,101.85x = 174,152.78 × 69,445.85
  4. Step 4: Simplify right side
    116,101.85x = 12,094,187,489.73
  5. Step 5: Solve for x
    x = 12,094,187,489.73/116,101.85
  6. Step 6: Final answer
    x = 104,168.78

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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.