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Finding the Fourth Proportional to 476,733.80, 715,100.08 and 121,748.08

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Solution

The fourth proportional to 476,733.80, 715,100.08 and 121,748.08 is: 182,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,733.80 : 715,100.08 = 121,748.08 : x
  2. Step 2: Convert to fraction form
    476,733.80/715,100.08 = 121,748.08/x
  3. Step 3: Cross multiply
    476,733.80x = 715,100.08 × 121,748.08
  4. Step 4: Simplify right side
    476,733.80x = 87,062,061,747.85
  5. Step 5: Solve for x
    x = 87,062,061,747.85/476,733.80
  6. Step 6: Final answer
    x = 182,621.96

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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.