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Finding the Fourth Proportional to 231,755.84, 347,535.84 and 98,630.72

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Solution

The fourth proportional to 231,755.84, 347,535.84 and 98,630.72 is: 147,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,755.84 : 347,535.84 = 98,630.72 : x
  2. Step 2: Convert to fraction form
    231,755.84/347,535.84 = 98,630.72/x
  3. Step 3: Cross multiply
    231,755.84x = 347,535.84 × 98,630.72
  4. Step 4: Simplify right side
    231,755.84x = 34,277,710,125.00
  5. Step 5: Solve for x
    x = 34,277,710,125.00/231,755.84
  6. Step 6: Final answer
    x = 147,904.41

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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.