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Finding the Fourth Proportional to 72,807.84, 109,211.67 and 22,892.29

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Solution

The fourth proportional to 72,807.84, 109,211.67 and 22,892.29 is: 34,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,807.84 : 109,211.67 = 22,892.29 : x
  2. Step 2: Convert to fraction form
    72,807.84/109,211.67 = 22,892.29/x
  3. Step 3: Cross multiply
    72,807.84x = 109,211.67 × 22,892.29
  4. Step 4: Simplify right side
    72,807.84x = 2,500,104,948.00
  5. Step 5: Solve for x
    x = 2,500,104,948.00/72,807.84
  6. Step 6: Final answer
    x = 34,338.40

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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.