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Finding the Fourth Proportional to 231,790.92, 347,630.18 and 63,312.03

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Solution

The fourth proportional to 231,790.92, 347,630.18 and 63,312.03 is: 94,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,790.92 : 347,630.18 = 63,312.03 : x
  2. Step 2: Convert to fraction form
    231,790.92/347,630.18 = 63,312.03/x
  3. Step 3: Cross multiply
    231,790.92x = 347,630.18 × 63,312.03
  4. Step 4: Simplify right side
    231,790.92x = 22,009,172,385.07
  5. Step 5: Solve for x
    x = 22,009,172,385.07/231,790.92
  6. Step 6: Final answer
    x = 94,952.69

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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.