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Finding the Fourth Proportional to 266,115.66, 367,184.79 and 152,916.54

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Solution

The fourth proportional to 266,115.66, 367,184.79 and 152,916.54 is: 210,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,115.66 : 367,184.79 = 152,916.54 : x
  2. Step 2: Convert to fraction form
    266,115.66/367,184.79 = 152,916.54/x
  3. Step 3: Cross multiply
    266,115.66x = 367,184.79 × 152,916.54
  4. Step 4: Simplify right side
    266,115.66x = 56,148,627,627.43
  5. Step 5: Solve for x
    x = 56,148,627,627.43/266,115.66
  6. Step 6: Final answer
    x = 210,993.32

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