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Finding the Fourth Proportional to 316,173.83, 473,806.01 and 136,209.84

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Solution

The fourth proportional to 316,173.83, 473,806.01 and 136,209.84 is: 204,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,173.83 : 473,806.01 = 136,209.84 : x
  2. Step 2: Convert to fraction form
    316,173.83/473,806.01 = 136,209.84/x
  3. Step 3: Cross multiply
    316,173.83x = 473,806.01 × 136,209.84
  4. Step 4: Simplify right side
    316,173.83x = 64,537,040,132.09
  5. Step 5: Solve for x
    x = 64,537,040,132.09/316,173.83
  6. Step 6: Final answer
    x = 204,118.86

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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.