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Finding the Fourth Proportional to 88,097.40, 131,927.40 and 70,601.40

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Solution

The fourth proportional to 88,097.40, 131,927.40 and 70,601.40 is: 105,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.40 : 131,927.40 = 70,601.40 : x
  2. Step 2: Convert to fraction form
    88,097.40/131,927.40 = 70,601.40/x
  3. Step 3: Cross multiply
    88,097.40x = 131,927.40 × 70,601.40
  4. Step 4: Simplify right side
    88,097.40x = 9,314,259,138.36
  5. Step 5: Solve for x
    x = 9,314,259,138.36/88,097.40
  6. Step 6: Final answer
    x = 105,726.83

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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.