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Finding the Fourth Proportional to 241,897.32, 362,721.60 and 108,663.30

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Solution

The fourth proportional to 241,897.32, 362,721.60 and 108,663.30 is: 162,939.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,897.32 : 362,721.60 = 108,663.30 : x
  2. Step 2: Convert to fraction form
    241,897.32/362,721.60 = 108,663.30/x
  3. Step 3: Cross multiply
    241,897.32x = 362,721.60 × 108,663.30
  4. Step 4: Simplify right side
    241,897.32x = 39,414,526,037.28
  5. Step 5: Solve for x
    x = 39,414,526,037.28/241,897.32
  6. Step 6: Final answer
    x = 162,939.08

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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.