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Finding the Fourth Proportional to 161,051.64, 241,672.50 and 61,295.82

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Solution

The fourth proportional to 161,051.64, 241,672.50 and 61,295.82 is: 91,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,051.64 : 241,672.50 = 61,295.82 : x
  2. Step 2: Convert to fraction form
    161,051.64/241,672.50 = 61,295.82/x
  3. Step 3: Cross multiply
    161,051.64x = 241,672.50 × 61,295.82
  4. Step 4: Simplify right side
    161,051.64x = 14,813,514,058.95
  5. Step 5: Solve for x
    x = 14,813,514,058.95/161,051.64
  6. Step 6: Final answer
    x = 91,979.90

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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.