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Finding the Fourth Proportional to 193,043.60, 289,565.40 and 146,387.60

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Solution

The fourth proportional to 193,043.60, 289,565.40 and 146,387.60 is: 219,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,043.60 : 289,565.40 = 146,387.60 : x
  2. Step 2: Convert to fraction form
    193,043.60/289,565.40 = 146,387.60/x
  3. Step 3: Cross multiply
    193,043.60x = 289,565.40 × 146,387.60
  4. Step 4: Simplify right side
    193,043.60x = 42,388,783,949.04
  5. Step 5: Solve for x
    x = 42,388,783,949.04/193,043.60
  6. Step 6: Final answer
    x = 219,581.40

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