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Finding the Fourth Proportional to 193,330.60, 289,913.01 and 104,560

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Solution

The fourth proportional to 193,330.60, 289,913.01 and 104,560 is: 156,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,330.60 : 289,913.01 = 104,560 : x
  2. Step 2: Convert to fraction form
    193,330.60/289,913.01 = 104,560/x
  3. Step 3: Cross multiply
    193,330.60x = 289,913.01 × 104,560
  4. Step 4: Simplify right side
    193,330.60x = 30,313,304,325.60
  5. Step 5: Solve for x
    x = 30,313,304,325.60/193,330.60
  6. Step 6: Final answer
    x = 156,795.17

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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.