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Finding the Fourth Proportional to 231,577.88, 347,532.72 and 98,551.58

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Solution

The fourth proportional to 231,577.88, 347,532.72 and 98,551.58 is: 147,897.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,577.88 : 347,532.72 = 98,551.58 : x
  2. Step 2: Convert to fraction form
    231,577.88/347,532.72 = 98,551.58/x
  3. Step 3: Cross multiply
    231,577.88x = 347,532.72 × 98,551.58
  4. Step 4: Simplify right side
    231,577.88x = 34,249,898,657.70
  5. Step 5: Solve for x
    x = 34,249,898,657.70/231,577.88
  6. Step 6: Final answer
    x = 147,897.97

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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.