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Finding the Fourth Proportional to 70,292.29, 105,385.72 and 22,879.04

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Solution

The fourth proportional to 70,292.29, 105,385.72 and 22,879.04 is: 34,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,292.29 : 105,385.72 = 22,879.04 : x
  2. Step 2: Convert to fraction form
    70,292.29/105,385.72 = 22,879.04/x
  3. Step 3: Cross multiply
    70,292.29x = 105,385.72 × 22,879.04
  4. Step 4: Simplify right side
    70,292.29x = 2,411,123,964.75
  5. Step 5: Solve for x
    x = 2,411,123,964.75/70,292.29
  6. Step 6: Final answer
    x = 34,301.40

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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.