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Finding the Fourth Proportional to 173,234.80, 259,938.60 and 98,412.40

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Solution

The fourth proportional to 173,234.80, 259,938.60 and 98,412.40 is: 147,667.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,234.80 : 259,938.60 = 98,412.40 : x
  2. Step 2: Convert to fraction form
    173,234.80/259,938.60 = 98,412.40/x
  3. Step 3: Cross multiply
    173,234.80x = 259,938.60 × 98,412.40
  4. Step 4: Simplify right side
    173,234.80x = 25,581,181,478.64
  5. Step 5: Solve for x
    x = 25,581,181,478.64/173,234.80
  6. Step 6: Final answer
    x = 147,667.68

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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.