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Finding the Fourth Proportional to 356,748.84, 534,788.46 and 119,925.90

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Solution

The fourth proportional to 356,748.84, 534,788.46 and 119,925.90 is: 179,776.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,748.84 : 534,788.46 = 119,925.90 : x
  2. Step 2: Convert to fraction form
    356,748.84/534,788.46 = 119,925.90/x
  3. Step 3: Cross multiply
    356,748.84x = 534,788.46 × 119,925.90
  4. Step 4: Simplify right side
    356,748.84x = 64,134,987,375.11
  5. Step 5: Solve for x
    x = 64,134,987,375.11/356,748.84
  6. Step 6: Final answer
    x = 179,776.30

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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.