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Finding the Fourth Proportional to 161,265.92, 241,904.28 and 56,085.80

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Solution

The fourth proportional to 161,265.92, 241,904.28 and 56,085.80 is: 84,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,265.92 : 241,904.28 = 56,085.80 : x
  2. Step 2: Convert to fraction form
    161,265.92/241,904.28 = 56,085.80/x
  3. Step 3: Cross multiply
    161,265.92x = 241,904.28 × 56,085.80
  4. Step 4: Simplify right side
    161,265.92x = 13,567,395,067.22
  5. Step 5: Solve for x
    x = 13,567,395,067.22/161,265.92
  6. Step 6: Final answer
    x = 84,130.58

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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.