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Finding the Fourth Proportional to 76,657.34, 114,986.52 and 26,737.25

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Solution

The fourth proportional to 76,657.34, 114,986.52 and 26,737.25 is: 40,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,657.34 : 114,986.52 = 26,737.25 : x
  2. Step 2: Convert to fraction form
    76,657.34/114,986.52 = 26,737.25/x
  3. Step 3: Cross multiply
    76,657.34x = 114,986.52 × 26,737.25
  4. Step 4: Simplify right side
    76,657.34x = 3,074,423,331.87
  5. Step 5: Solve for x
    x = 3,074,423,331.87/76,657.34
  6. Step 6: Final answer
    x = 40,106.05

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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.