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Finding the Fourth Proportional to 69,210.56, 95,411.04 and 49,304

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Solution

The fourth proportional to 69,210.56, 95,411.04 and 49,304 is: 67,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,210.56 : 95,411.04 = 49,304 : x
  2. Step 2: Convert to fraction form
    69,210.56/95,411.04 = 49,304/x
  3. Step 3: Cross multiply
    69,210.56x = 95,411.04 × 49,304
  4. Step 4: Simplify right side
    69,210.56x = 4,704,145,916.16
  5. Step 5: Solve for x
    x = 4,704,145,916.16/69,210.56
  6. Step 6: Final answer
    x = 67,968.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.