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Finding the Fourth Proportional to 141,616.65, 212,424.98 and 52,877.09

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Solution

The fourth proportional to 141,616.65, 212,424.98 and 52,877.09 is: 79,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,616.65 : 212,424.98 = 52,877.09 : x
  2. Step 2: Convert to fraction form
    141,616.65/212,424.98 = 52,877.09/x
  3. Step 3: Cross multiply
    141,616.65x = 212,424.98 × 52,877.09
  4. Step 4: Simplify right side
    141,616.65x = 11,232,413,459.20
  5. Step 5: Solve for x
    x = 11,232,413,459.20/141,616.65
  6. Step 6: Final answer
    x = 79,315.63

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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.