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Finding the Fourth Proportional to 114,522, 158,040.36 and 64,221

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Solution

The fourth proportional to 114,522, 158,040.36 and 64,221 is: 88,624.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,522 : 158,040.36 = 64,221 : x
  2. Step 2: Convert to fraction form
    114,522/158,040.36 = 64,221/x
  3. Step 3: Cross multiply
    114,522x = 158,040.36 × 64,221
  4. Step 4: Simplify right side
    114,522x = 10,149,509,959.56
  5. Step 5: Solve for x
    x = 10,149,509,959.56/114,522
  6. Step 6: Final answer
    x = 88,624.98

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Why These Related Problems?

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