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Finding the Fourth Proportional to 159,364.64, 239,019.28 and 59,525.70

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Solution

The fourth proportional to 159,364.64, 239,019.28 and 59,525.70 is: 89,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,364.64 : 239,019.28 = 59,525.70 : x
  2. Step 2: Convert to fraction form
    159,364.64/239,019.28 = 59,525.70/x
  3. Step 3: Cross multiply
    159,364.64x = 239,019.28 × 59,525.70
  4. Step 4: Simplify right side
    159,364.64x = 14,227,789,413.90
  5. Step 5: Solve for x
    x = 14,227,789,413.90/159,364.64
  6. Step 6: Final answer
    x = 89,278.21

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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.