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Finding the Fourth Proportional to 159,610.91, 238,710.44 and 141,965.46

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Solution

The fourth proportional to 159,610.91, 238,710.44 and 141,965.46 is: 212,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,610.91 : 238,710.44 = 141,965.46 : x
  2. Step 2: Convert to fraction form
    159,610.91/238,710.44 = 141,965.46/x
  3. Step 3: Cross multiply
    159,610.91x = 238,710.44 × 141,965.46
  4. Step 4: Simplify right side
    159,610.91x = 33,888,637,776.32
  5. Step 5: Solve for x
    x = 33,888,637,776.32/159,610.91
  6. Step 6: Final answer
    x = 212,320.32

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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.