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Finding the Fourth Proportional to 288,556.24, 432,880.88 and 88,876.54

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Solution

The fourth proportional to 288,556.24, 432,880.88 and 88,876.54 is: 133,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,556.24 : 432,880.88 = 88,876.54 : x
  2. Step 2: Convert to fraction form
    288,556.24/432,880.88 = 88,876.54/x
  3. Step 3: Cross multiply
    288,556.24x = 432,880.88 × 88,876.54
  4. Step 4: Simplify right side
    288,556.24x = 38,472,952,237.77
  5. Step 5: Solve for x
    x = 38,472,952,237.77/288,556.24
  6. Step 6: Final answer
    x = 133,329.13

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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.