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Finding the Fourth Proportional to 186,548.88, 257,439.27 and 101,667.76

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Solution

The fourth proportional to 186,548.88, 257,439.27 and 101,667.76 is: 140,302.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,548.88 : 257,439.27 = 101,667.76 : x
  2. Step 2: Convert to fraction form
    186,548.88/257,439.27 = 101,667.76/x
  3. Step 3: Cross multiply
    186,548.88x = 257,439.27 × 101,667.76
  4. Step 4: Simplify right side
    186,548.88x = 26,173,273,916.94
  5. Step 5: Solve for x
    x = 26,173,273,916.94/186,548.88
  6. Step 6: Final answer
    x = 140,302.50

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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.