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Finding the Fourth Proportional to 88,853.90, 133,021.65 and 79,522.70

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Solution

The fourth proportional to 88,853.90, 133,021.65 and 79,522.70 is: 119,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,853.90 : 133,021.65 = 79,522.70 : x
  2. Step 2: Convert to fraction form
    88,853.90/133,021.65 = 79,522.70/x
  3. Step 3: Cross multiply
    88,853.90x = 133,021.65 × 79,522.70
  4. Step 4: Simplify right side
    88,853.90x = 10,578,240,766.46
  5. Step 5: Solve for x
    x = 10,578,240,766.46/88,853.90
  6. Step 6: Final answer
    x = 119,052.07

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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.