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Finding the Fourth Proportional to 159,813.39, 239,657.79 and 59,919.12

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Solution

The fourth proportional to 159,813.39, 239,657.79 and 59,919.12 is: 89,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.39 : 239,657.79 = 59,919.12 : x
  2. Step 2: Convert to fraction form
    159,813.39/239,657.79 = 59,919.12/x
  3. Step 3: Cross multiply
    159,813.39x = 239,657.79 × 59,919.12
  4. Step 4: Simplify right side
    159,813.39x = 14,360,083,877.94
  5. Step 5: Solve for x
    x = 14,360,083,877.94/159,813.39
  6. Step 6: Final answer
    x = 89,855.32

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1.5x scale

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.