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Finding the Fourth Proportional to 231,674.80, 347,641.80 and 98,532.40

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Solution

The fourth proportional to 231,674.80, 347,641.80 and 98,532.40 is: 147,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,674.80 : 347,641.80 = 98,532.40 : x
  2. Step 2: Convert to fraction form
    231,674.80/347,641.80 = 98,532.40/x
  3. Step 3: Cross multiply
    231,674.80x = 347,641.80 × 98,532.40
  4. Step 4: Simplify right side
    231,674.80x = 34,253,980,894.32
  5. Step 5: Solve for x
    x = 34,253,980,894.32/231,674.80
  6. Step 6: Final answer
    x = 147,853.72

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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.