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Finding the Fourth Proportional to 160,530.36, 240,811.38 and 55,335.48

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Solution

The fourth proportional to 160,530.36, 240,811.38 and 55,335.48 is: 83,008.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,530.36 : 240,811.38 = 55,335.48 : x
  2. Step 2: Convert to fraction form
    160,530.36/240,811.38 = 55,335.48/x
  3. Step 3: Cross multiply
    160,530.36x = 240,811.38 × 55,335.48
  4. Step 4: Simplify right side
    160,530.36x = 13,325,413,301.76
  5. Step 5: Solve for x
    x = 13,325,413,301.76/160,530.36
  6. Step 6: Final answer
    x = 83,008.68

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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.