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Finding the Fourth Proportional to 159,083.37, 219,536.52 and 87,463.89

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Solution

The fourth proportional to 159,083.37, 219,536.52 and 87,463.89 is: 120,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,083.37 : 219,536.52 = 87,463.89 : x
  2. Step 2: Convert to fraction form
    159,083.37/219,536.52 = 87,463.89/x
  3. Step 3: Cross multiply
    159,083.37x = 219,536.52 × 87,463.89
  4. Step 4: Simplify right side
    159,083.37x = 19,201,518,036.26
  5. Step 5: Solve for x
    x = 19,201,518,036.26/159,083.37
  6. Step 6: Final answer
    x = 120,700.98

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Why These Related Problems?

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