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Finding the Fourth Proportional to 173,310.60, 260,002.35 and 98,369.40

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Solution

The fourth proportional to 173,310.60, 260,002.35 and 98,369.40 is: 147,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,310.60 : 260,002.35 = 98,369.40 : x
  2. Step 2: Convert to fraction form
    173,310.60/260,002.35 = 98,369.40/x
  3. Step 3: Cross multiply
    173,310.60x = 260,002.35 × 98,369.40
  4. Step 4: Simplify right side
    173,310.60x = 25,576,275,168.09
  5. Step 5: Solve for x
    x = 25,576,275,168.09/173,310.60
  6. Step 6: Final answer
    x = 147,574.79

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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.