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Finding the Fourth Proportional to 161,295.90, 241,894.64 and 42,951.90

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Solution

The fourth proportional to 161,295.90, 241,894.64 and 42,951.90 is: 64,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,295.90 : 241,894.64 = 42,951.90 : x
  2. Step 2: Convert to fraction form
    161,295.90/241,894.64 = 42,951.90/x
  3. Step 3: Cross multiply
    161,295.90x = 241,894.64 × 42,951.90
  4. Step 4: Simplify right side
    161,295.90x = 10,389,834,387.82
  5. Step 5: Solve for x
    x = 10,389,834,387.82/161,295.90
  6. Step 6: Final answer
    x = 64,414.75

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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.