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Finding the Fourth Proportional to 200,603.20, 300,878.72 and 95,488.96

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Solution

The fourth proportional to 200,603.20, 300,878.72 and 95,488.96 is: 143,221.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,603.20 : 300,878.72 = 95,488.96 : x
  2. Step 2: Convert to fraction form
    200,603.20/300,878.72 = 95,488.96/x
  3. Step 3: Cross multiply
    200,603.20x = 300,878.72 × 95,488.96
  4. Step 4: Simplify right side
    200,603.20x = 28,730,596,058.93
  5. Step 5: Solve for x
    x = 28,730,596,058.93/200,603.20
  6. Step 6: Final answer
    x = 143,221.03

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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.