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Finding the Fourth Proportional to 115,888.25, 159,923.57 and 67,499.06

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Solution

The fourth proportional to 115,888.25, 159,923.57 and 67,499.06 is: 93,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,888.25 : 159,923.57 = 67,499.06 : x
  2. Step 2: Convert to fraction form
    115,888.25/159,923.57 = 67,499.06/x
  3. Step 3: Cross multiply
    115,888.25x = 159,923.57 × 67,499.06
  4. Step 4: Simplify right side
    115,888.25x = 10,794,689,509.73
  5. Step 5: Solve for x
    x = 10,794,689,509.73/115,888.25
  6. Step 6: Final answer
    x = 93,147.40

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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.