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Finding the Fourth Proportional to 159,075.60, 238,607.92 and 40,747.96

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Solution

The fourth proportional to 159,075.60, 238,607.92 and 40,747.96 is: 61,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,075.60 : 238,607.92 = 40,747.96 : x
  2. Step 2: Convert to fraction form
    159,075.60/238,607.92 = 40,747.96/x
  3. Step 3: Cross multiply
    159,075.60x = 238,607.92 × 40,747.96
  4. Step 4: Simplify right side
    159,075.60x = 9,722,785,979.84
  5. Step 5: Solve for x
    x = 9,722,785,979.84/159,075.60
  6. Step 6: Final answer
    x = 61,120.54

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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.