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Finding the Fourth Proportional to 70,282.84, 104,974.76 and 63,609.16

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Solution

The fourth proportional to 70,282.84, 104,974.76 and 63,609.16 is: 95,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,282.84 : 104,974.76 = 63,609.16 : x
  2. Step 2: Convert to fraction form
    70,282.84/104,974.76 = 63,609.16/x
  3. Step 3: Cross multiply
    70,282.84x = 104,974.76 × 63,609.16
  4. Step 4: Simplify right side
    70,282.84x = 6,677,356,304.80
  5. Step 5: Solve for x
    x = 6,677,356,304.80/70,282.84
  6. Step 6: Final answer
    x = 95,006.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.