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Finding the Fourth Proportional to 221,929.88, 332,897.24 and 64,159.68

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Solution

The fourth proportional to 221,929.88, 332,897.24 and 64,159.68 is: 96,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,929.88 : 332,897.24 = 64,159.68 : x
  2. Step 2: Convert to fraction form
    221,929.88/332,897.24 = 64,159.68/x
  3. Step 3: Cross multiply
    221,929.88x = 332,897.24 × 64,159.68
  4. Step 4: Simplify right side
    221,929.88x = 21,358,580,391.28
  5. Step 5: Solve for x
    x = 21,358,580,391.28/221,929.88
  6. Step 6: Final answer
    x = 96,240.22

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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.