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Finding the Fourth Proportional to 193,063.60, 289,595.40 and 104,490.10

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Solution

The fourth proportional to 193,063.60, 289,595.40 and 104,490.10 is: 156,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,063.60 : 289,595.40 = 104,490.10 : x
  2. Step 2: Convert to fraction form
    193,063.60/289,595.40 = 104,490.10/x
  3. Step 3: Cross multiply
    193,063.60x = 289,595.40 × 104,490.10
  4. Step 4: Simplify right side
    193,063.60x = 30,259,852,305.54
  5. Step 5: Solve for x
    x = 30,259,852,305.54/193,063.60
  6. Step 6: Final answer
    x = 156,735.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.