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Finding the Fourth Proportional to 95,859.60, 132,286.38 and 53,417.20

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Solution

The fourth proportional to 95,859.60, 132,286.38 and 53,417.20 is: 73,715.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,859.60 : 132,286.38 = 53,417.20 : x
  2. Step 2: Convert to fraction form
    95,859.60/132,286.38 = 53,417.20/x
  3. Step 3: Cross multiply
    95,859.60x = 132,286.38 × 53,417.20
  4. Step 4: Simplify right side
    95,859.60x = 7,066,368,017.74
  5. Step 5: Solve for x
    x = 7,066,368,017.74/95,859.60
  6. Step 6: Final answer
    x = 73,715.81

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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.