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Finding the Fourth Proportional to 159,775.72, 239,663.66 and 54,595.72

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Solution

The fourth proportional to 159,775.72, 239,663.66 and 54,595.72 is: 81,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,775.72 : 239,663.66 = 54,595.72 : x
  2. Step 2: Convert to fraction form
    159,775.72/239,663.66 = 54,595.72/x
  3. Step 3: Cross multiply
    159,775.72x = 239,663.66 × 54,595.72
  4. Step 4: Simplify right side
    159,775.72x = 13,084,610,075.54
  5. Step 5: Solve for x
    x = 13,084,610,075.54/159,775.72
  6. Step 6: Final answer
    x = 81,893.61

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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.