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Finding the Fourth Proportional to 173,347.18, 259,808.10 and 98,530

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Solution

The fourth proportional to 173,347.18, 259,808.10 and 98,530 is: 147,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,347.18 : 259,808.10 = 98,530 : x
  2. Step 2: Convert to fraction form
    173,347.18/259,808.10 = 98,530/x
  3. Step 3: Cross multiply
    173,347.18x = 259,808.10 × 98,530
  4. Step 4: Simplify right side
    173,347.18x = 25,598,892,093
  5. Step 5: Solve for x
    x = 25,598,892,093/173,347.18
  6. Step 6: Final answer
    x = 147,674.12

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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.