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Finding the Fourth Proportional to 60,106.88, 90,188.67 and 26,823.98

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Solution

The fourth proportional to 60,106.88, 90,188.67 and 26,823.98 is: 40,248.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,106.88 : 90,188.67 = 26,823.98 : x
  2. Step 2: Convert to fraction form
    60,106.88/90,188.67 = 26,823.98/x
  3. Step 3: Cross multiply
    60,106.88x = 90,188.67 × 26,823.98
  4. Step 4: Simplify right side
    60,106.88x = 2,419,219,080.31
  5. Step 5: Solve for x
    x = 2,419,219,080.31/60,106.88
  6. Step 6: Final answer
    x = 40,248.62

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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.