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Finding the Fourth Proportional to 315,696.69, 473,529.65 and 116,001.72

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Solution

The fourth proportional to 315,696.69, 473,529.65 and 116,001.72 is: 173,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,696.69 : 473,529.65 = 116,001.72 : x
  2. Step 2: Convert to fraction form
    315,696.69/473,529.65 = 116,001.72/x
  3. Step 3: Cross multiply
    315,696.69x = 473,529.65 × 116,001.72
  4. Step 4: Simplify right side
    315,696.69x = 54,930,253,290.99
  5. Step 5: Solve for x
    x = 54,930,253,290.99/315,696.69
  6. Step 6: Final answer
    x = 173,996.92

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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.