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Finding the Fourth Proportional to 159,103.51, 238,621.69 and 46,753.21

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Solution

The fourth proportional to 159,103.51, 238,621.69 and 46,753.21 is: 70,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,103.51 : 238,621.69 = 46,753.21 : x
  2. Step 2: Convert to fraction form
    159,103.51/238,621.69 = 46,753.21/x
  3. Step 3: Cross multiply
    159,103.51x = 238,621.69 × 46,753.21
  4. Step 4: Simplify right side
    159,103.51x = 11,156,329,983.12
  5. Step 5: Solve for x
    x = 11,156,329,983.12/159,103.51
  6. Step 6: Final answer
    x = 70,119.95

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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.