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Finding the Fourth Proportional to 88,853.40, 133,020.90 and 79,522.20

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Solution

The fourth proportional to 88,853.40, 133,020.90 and 79,522.20 is: 119,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,853.40 : 133,020.90 = 79,522.20 : x
  2. Step 2: Convert to fraction form
    88,853.40/133,020.90 = 79,522.20/x
  3. Step 3: Cross multiply
    88,853.40x = 133,020.90 × 79,522.20
  4. Step 4: Simplify right side
    88,853.40x = 10,578,114,613.98
  5. Step 5: Solve for x
    x = 10,578,114,613.98/88,853.40
  6. Step 6: Final answer
    x = 119,051.32

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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.