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Finding the Fourth Proportional to 70,205.84, 104,765.44 and 62,729.04

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Solution

The fourth proportional to 70,205.84, 104,765.44 and 62,729.04 is: 93,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,205.84 : 104,765.44 = 62,729.04 : x
  2. Step 2: Convert to fraction form
    70,205.84/104,765.44 = 62,729.04/x
  3. Step 3: Cross multiply
    70,205.84x = 104,765.44 × 62,729.04
  4. Step 4: Simplify right side
    70,205.84x = 6,571,835,476.38
  5. Step 5: Solve for x
    x = 6,571,835,476.38/70,205.84
  6. Step 6: Final answer
    x = 93,608.10

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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.