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Finding the Fourth Proportional to 173,298.60, 260,063.10 and 98,418.60

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Solution

The fourth proportional to 173,298.60, 260,063.10 and 98,418.60 is: 147,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,298.60 : 260,063.10 = 98,418.60 : x
  2. Step 2: Convert to fraction form
    173,298.60/260,063.10 = 98,418.60/x
  3. Step 3: Cross multiply
    173,298.60x = 260,063.10 × 98,418.60
  4. Step 4: Simplify right side
    173,298.60x = 25,595,046,213.66
  5. Step 5: Solve for x
    x = 25,595,046,213.66/173,298.60
  6. Step 6: Final answer
    x = 147,693.32

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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.