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Finding the Fourth Proportional to 175,692.93, 242,446.41 and 99,207.06

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Solution

The fourth proportional to 175,692.93, 242,446.41 and 99,207.06 is: 136,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,692.93 : 242,446.41 = 99,207.06 : x
  2. Step 2: Convert to fraction form
    175,692.93/242,446.41 = 99,207.06/x
  3. Step 3: Cross multiply
    175,692.93x = 242,446.41 × 99,207.06
  4. Step 4: Simplify right side
    175,692.93x = 24,052,395,543.65
  5. Step 5: Solve for x
    x = 24,052,395,543.65/175,692.93
  6. Step 6: Final answer
    x = 136,900.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.