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Finding the Fourth Proportional to 423,700.03, 635,549.83 and 108,156.83

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Solution

The fourth proportional to 423,700.03, 635,549.83 and 108,156.83 is: 162,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,700.03 : 635,549.83 = 108,156.83 : x
  2. Step 2: Convert to fraction form
    423,700.03/635,549.83 = 108,156.83/x
  3. Step 3: Cross multiply
    423,700.03x = 635,549.83 × 108,156.83
  4. Step 4: Simplify right side
    423,700.03x = 68,739,054,919.84
  5. Step 5: Solve for x
    x = 68,739,054,919.84/423,700.03
  6. Step 6: Final answer
    x = 162,235.19

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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.