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Finding the Fourth Proportional to 193,604.52, 290,465.10 and 60,479.40

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Solution

The fourth proportional to 193,604.52, 290,465.10 and 60,479.40 is: 90,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,604.52 : 290,465.10 = 60,479.40 : x
  2. Step 2: Convert to fraction form
    193,604.52/290,465.10 = 60,479.40/x
  3. Step 3: Cross multiply
    193,604.52x = 290,465.10 × 60,479.40
  4. Step 4: Simplify right side
    193,604.52x = 17,567,154,968.94
  5. Step 5: Solve for x
    x = 17,567,154,968.94/193,604.52
  6. Step 6: Final answer
    x = 90,737.32

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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.