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Finding the Fourth Proportional to 124,955.46, 187,427.72 and 36,207

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Solution

The fourth proportional to 124,955.46, 187,427.72 and 36,207 is: 54,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,955.46 : 187,427.72 = 36,207 : x
  2. Step 2: Convert to fraction form
    124,955.46/187,427.72 = 36,207/x
  3. Step 3: Cross multiply
    124,955.46x = 187,427.72 × 36,207
  4. Step 4: Simplify right side
    124,955.46x = 6,786,195,458.04
  5. Step 5: Solve for x
    x = 6,786,195,458.04/124,955.46
  6. Step 6: Final answer
    x = 54,308.92

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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.