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Finding the Fourth Proportional to 82,898.84, 124,311.72 and 23,721.08

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Solution

The fourth proportional to 82,898.84, 124,311.72 and 23,721.08 is: 35,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,898.84 : 124,311.72 = 23,721.08 : x
  2. Step 2: Convert to fraction form
    82,898.84/124,311.72 = 23,721.08/x
  3. Step 3: Cross multiply
    82,898.84x = 124,311.72 × 23,721.08
  4. Step 4: Simplify right side
    82,898.84x = 2,948,808,255.06
  5. Step 5: Solve for x
    x = 2,948,808,255.06/82,898.84
  6. Step 6: Final answer
    x = 35,571.16

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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.