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Finding the Fourth Proportional to 115,908.39, 173,862.59 and 63,289.17

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Solution

The fourth proportional to 115,908.39, 173,862.59 and 63,289.17 is: 94,933.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,908.39 : 173,862.59 = 63,289.17 : x
  2. Step 2: Convert to fraction form
    115,908.39/173,862.59 = 63,289.17/x
  3. Step 3: Cross multiply
    115,908.39x = 173,862.59 × 63,289.17
  4. Step 4: Simplify right side
    115,908.39x = 11,003,618,698.70
  5. Step 5: Solve for x
    x = 11,003,618,698.70/115,908.39
  6. Step 6: Final answer
    x = 94,933.76

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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.