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Finding the Fourth Proportional to 323,031.84, 484,543.36 and 112,668.96

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Solution

The fourth proportional to 323,031.84, 484,543.36 and 112,668.96 is: 169,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,031.84 : 484,543.36 = 112,668.96 : x
  2. Step 2: Convert to fraction form
    323,031.84/484,543.36 = 112,668.96/x
  3. Step 3: Cross multiply
    323,031.84x = 484,543.36 × 112,668.96
  4. Step 4: Simplify right side
    323,031.84x = 54,592,996,446.11
  5. Step 5: Solve for x
    x = 54,592,996,446.11/323,031.84
  6. Step 6: Final answer
    x = 169,001.91

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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.