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Finding the Fourth Proportional to 114,738.50, 158,353.98 and 64,437.50

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Solution

The fourth proportional to 114,738.50, 158,353.98 and 64,437.50 is: 88,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,738.50 : 158,353.98 = 64,437.50 : x
  2. Step 2: Convert to fraction form
    114,738.50/158,353.98 = 64,437.50/x
  3. Step 3: Cross multiply
    114,738.50x = 158,353.98 × 64,437.50
  4. Step 4: Simplify right side
    114,738.50x = 10,203,934,586.25
  5. Step 5: Solve for x
    x = 10,203,934,586.25/114,738.50
  6. Step 6: Final answer
    x = 88,932.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.