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Finding the Fourth Proportional to 186,484.35, 257,346 and 101,601.48

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Solution

The fourth proportional to 186,484.35, 257,346 and 101,601.48 is: 140,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,484.35 : 257,346 = 101,601.48 : x
  2. Step 2: Convert to fraction form
    186,484.35/257,346 = 101,601.48/x
  3. Step 3: Cross multiply
    186,484.35x = 257,346 × 101,601.48
  4. Step 4: Simplify right side
    186,484.35x = 26,146,734,472.08
  5. Step 5: Solve for x
    x = 26,146,734,472.08/186,484.35
  6. Step 6: Final answer
    x = 140,208.73

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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.