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Finding the Fourth Proportional to 186,597.54, 257,494.87 and 106,013.88

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Solution

The fourth proportional to 186,597.54, 257,494.87 and 106,013.88 is: 146,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,597.54 : 257,494.87 = 106,013.88 : x
  2. Step 2: Convert to fraction form
    186,597.54/257,494.87 = 106,013.88/x
  3. Step 3: Cross multiply
    186,597.54x = 257,494.87 × 106,013.88
  4. Step 4: Simplify right side
    186,597.54x = 27,298,030,248.80
  5. Step 5: Solve for x
    x = 27,298,030,248.80/186,597.54
  6. Step 6: Final answer
    x = 146,293.62

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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.