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Finding the Fourth Proportional to 224,342.88, 336,514.48 and 66,569.94

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Solution

The fourth proportional to 224,342.88, 336,514.48 and 66,569.94 is: 99,854.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,342.88 : 336,514.48 = 66,569.94 : x
  2. Step 2: Convert to fraction form
    224,342.88/336,514.48 = 66,569.94/x
  3. Step 3: Cross multiply
    224,342.88x = 336,514.48 × 66,569.94
  4. Step 4: Simplify right side
    224,342.88x = 22,401,748,742.73
  5. Step 5: Solve for x
    x = 22,401,748,742.73/224,342.88
  6. Step 6: Final answer
    x = 99,854.96

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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.