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Finding the Fourth Proportional to 85,358.98, 117,794.72 and 49,552.32

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Solution

The fourth proportional to 85,358.98, 117,794.72 and 49,552.32 is: 68,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,358.98 : 117,794.72 = 49,552.32 : x
  2. Step 2: Convert to fraction form
    85,358.98/117,794.72 = 49,552.32/x
  3. Step 3: Cross multiply
    85,358.98x = 117,794.72 × 49,552.32
  4. Step 4: Simplify right side
    85,358.98x = 5,837,001,659.75
  5. Step 5: Solve for x
    x = 5,837,001,659.75/85,358.98
  6. Step 6: Final answer
    x = 68,381.81

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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.