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Finding the Fourth Proportional to 186,251.63, 257,027.24 and 101,369.30

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Solution

The fourth proportional to 186,251.63, 257,027.24 and 101,369.30 is: 139,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,251.63 : 257,027.24 = 101,369.30 : x
  2. Step 2: Convert to fraction form
    186,251.63/257,027.24 = 101,369.30/x
  3. Step 3: Cross multiply
    186,251.63x = 257,027.24 × 101,369.30
  4. Step 4: Simplify right side
    186,251.63x = 26,054,670,368.02
  5. Step 5: Solve for x
    x = 26,054,670,368.02/186,251.63
  6. Step 6: Final answer
    x = 139,889.63

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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.