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Finding the Fourth Proportional to 185,675.76, 278,558.88 and 59,315.88

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Solution

The fourth proportional to 185,675.76, 278,558.88 and 59,315.88 is: 88,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,675.76 : 278,558.88 = 59,315.88 : x
  2. Step 2: Convert to fraction form
    185,675.76/278,558.88 = 59,315.88/x
  3. Step 3: Cross multiply
    185,675.76x = 278,558.88 × 59,315.88
  4. Step 4: Simplify right side
    185,675.76x = 16,522,965,099.01
  5. Step 5: Solve for x
    x = 16,522,965,099.01/185,675.76
  6. Step 6: Final answer
    x = 88,988.27

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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.