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Finding the Fourth Proportional to 434,675.70, 652,013.55 and 119,132.10

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Solution

The fourth proportional to 434,675.70, 652,013.55 and 119,132.10 is: 178,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,675.70 : 652,013.55 = 119,132.10 : x
  2. Step 2: Convert to fraction form
    434,675.70/652,013.55 = 119,132.10/x
  3. Step 3: Cross multiply
    434,675.70x = 652,013.55 × 119,132.10
  4. Step 4: Simplify right side
    434,675.70x = 77,675,743,439.96
  5. Step 5: Solve for x
    x = 77,675,743,439.96/434,675.70
  6. Step 6: Final answer
    x = 178,698.15

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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.