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Finding the Fourth Proportional to 635,482.21, 953,222.78 and 162,167.57

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Solution

The fourth proportional to 635,482.21, 953,222.78 and 162,167.57 is: 243,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,482.21 : 953,222.78 = 162,167.57 : x
  2. Step 2: Convert to fraction form
    635,482.21/953,222.78 = 162,167.57/x
  3. Step 3: Cross multiply
    635,482.21x = 953,222.78 × 162,167.57
  4. Step 4: Simplify right side
    635,482.21x = 154,581,821,115.14
  5. Step 5: Solve for x
    x = 154,581,821,115.14/635,482.21
  6. Step 6: Final answer
    x = 243,251.22

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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.