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Finding the Fourth Proportional to 114,531.70, 171,927.15 and 67,810.90

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Solution

The fourth proportional to 114,531.70, 171,927.15 and 67,810.90 is: 101,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,531.70 : 171,927.15 = 67,810.90 : x
  2. Step 2: Convert to fraction form
    114,531.70/171,927.15 = 67,810.90/x
  3. Step 3: Cross multiply
    114,531.70x = 171,927.15 × 67,810.90
  4. Step 4: Simplify right side
    114,531.70x = 11,658,534,775.94
  5. Step 5: Solve for x
    x = 11,658,534,775.94/114,531.70
  6. Step 6: Final answer
    x = 101,793.08

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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.