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Finding the Fourth Proportional to 312,192.35, 468,001.48 and 112,463.89

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Solution

The fourth proportional to 312,192.35, 468,001.48 and 112,463.89 is: 168,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,192.35 : 468,001.48 = 112,463.89 : x
  2. Step 2: Convert to fraction form
    312,192.35/468,001.48 = 112,463.89/x
  3. Step 3: Cross multiply
    312,192.35x = 468,001.48 × 112,463.89
  4. Step 4: Simplify right side
    312,192.35x = 52,633,265,515.39
  5. Step 5: Solve for x
    x = 52,633,265,515.39/312,192.35
  6. Step 6: Final answer
    x = 168,592.43

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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.