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Finding the Fourth Proportional to 159,059.88, 238,583.59 and 53,878.85

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Solution

The fourth proportional to 159,059.88, 238,583.59 and 53,878.85 is: 80,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,059.88 : 238,583.59 = 53,878.85 : x
  2. Step 2: Convert to fraction form
    159,059.88/238,583.59 = 53,878.85/x
  3. Step 3: Cross multiply
    159,059.88x = 238,583.59 × 53,878.85
  4. Step 4: Simplify right side
    159,059.88x = 12,854,608,130.46
  5. Step 5: Solve for x
    x = 12,854,608,130.46/159,059.88
  6. Step 6: Final answer
    x = 80,816.16

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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.