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Finding the Fourth Proportional to 88,095.40, 131,924.40 and 70,599.40

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Solution

The fourth proportional to 88,095.40, 131,924.40 and 70,599.40 is: 105,723.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,095.40 : 131,924.40 = 70,599.40 : x
  2. Step 2: Convert to fraction form
    88,095.40/131,924.40 = 70,599.40/x
  3. Step 3: Cross multiply
    88,095.40x = 131,924.40 × 70,599.40
  4. Step 4: Simplify right side
    88,095.40x = 9,313,783,485.36
  5. Step 5: Solve for x
    x = 9,313,783,485.36/88,095.40
  6. Step 6: Final answer
    x = 105,723.83

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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.