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Finding the Fourth Proportional to 288,793.55, 433,202.63 and 89,109.52

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Solution

The fourth proportional to 288,793.55, 433,202.63 and 89,109.52 is: 133,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,793.55 : 433,202.63 = 89,109.52 : x
  2. Step 2: Convert to fraction form
    288,793.55/433,202.63 = 89,109.52/x
  3. Step 3: Cross multiply
    288,793.55x = 433,202.63 × 89,109.52
  4. Step 4: Simplify right side
    288,793.55x = 38,602,476,893.48
  5. Step 5: Solve for x
    x = 38,602,476,893.48/288,793.55
  6. Step 6: Final answer
    x = 133,668.07

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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.