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Finding the Fourth Proportional to 288,794.55, 433,204.13 and 89,110.52

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Solution

The fourth proportional to 288,794.55, 433,204.13 and 89,110.52 is: 133,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,794.55 : 433,204.13 = 89,110.52 : x
  2. Step 2: Convert to fraction form
    288,794.55/433,204.13 = 89,110.52/x
  3. Step 3: Cross multiply
    288,794.55x = 433,204.13 × 89,110.52
  4. Step 4: Simplify right side
    288,794.55x = 38,603,045,290.45
  5. Step 5: Solve for x
    x = 38,603,045,290.45/288,794.55
  6. Step 6: Final answer
    x = 133,669.58

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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.