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Finding the Fourth Proportional to 186,248.88, 257,022.72 and 101,366.64

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Solution

The fourth proportional to 186,248.88, 257,022.72 and 101,366.64 is: 139,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,248.88 : 257,022.72 = 101,366.64 : x
  2. Step 2: Convert to fraction form
    186,248.88/257,022.72 = 101,366.64/x
  3. Step 3: Cross multiply
    186,248.88x = 257,022.72 × 101,366.64
  4. Step 4: Simplify right side
    186,248.88x = 26,053,529,530.06
  5. Step 5: Solve for x
    x = 26,053,529,530.06/186,248.88
  6. Step 6: Final answer
    x = 139,885.56

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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.