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Finding the Fourth Proportional to 186,697.44, 257,641.92 and 101,819.04

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Solution

The fourth proportional to 186,697.44, 257,641.92 and 101,819.04 is: 140,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,697.44 : 257,641.92 = 101,819.04 : x
  2. Step 2: Convert to fraction form
    186,697.44/257,641.92 = 101,819.04/x
  3. Step 3: Cross multiply
    186,697.44x = 257,641.92 × 101,819.04
  4. Step 4: Simplify right side
    186,697.44x = 26,232,852,958.16
  5. Step 5: Solve for x
    x = 26,232,852,958.16/186,697.44
  6. Step 6: Final answer
    x = 140,509.98

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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.