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Finding the Fourth Proportional to 147,469.84, 221,071.92 and 100,101.04

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Solution

The fourth proportional to 147,469.84, 221,071.92 and 100,101.04 is: 150,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,469.84 : 221,071.92 = 100,101.04 : x
  2. Step 2: Convert to fraction form
    147,469.84/221,071.92 = 100,101.04/x
  3. Step 3: Cross multiply
    147,469.84x = 221,071.92 × 100,101.04
  4. Step 4: Simplify right side
    147,469.84x = 22,129,529,106.80
  5. Step 5: Solve for x
    x = 22,129,529,106.80/147,469.84
  6. Step 6: Final answer
    x = 150,061.39

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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.