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Finding the Fourth Proportional to 237,752.73, 356,651.16 and 85,987.77

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Solution

The fourth proportional to 237,752.73, 356,651.16 and 85,987.77 is: 128,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,752.73 : 356,651.16 = 85,987.77 : x
  2. Step 2: Convert to fraction form
    237,752.73/356,651.16 = 85,987.77/x
  3. Step 3: Cross multiply
    237,752.73x = 356,651.16 × 85,987.77
  4. Step 4: Simplify right side
    237,752.73x = 30,667,637,916.31
  5. Step 5: Solve for x
    x = 30,667,637,916.31/237,752.73
  6. Step 6: Final answer
    x = 128,989.64

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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.