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Finding the Fourth Proportional to 110,681.92, 165,727.56 and 57,980.86

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Solution

The fourth proportional to 110,681.92, 165,727.56 and 57,980.86 is: 86,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,681.92 : 165,727.56 = 57,980.86 : x
  2. Step 2: Convert to fraction form
    110,681.92/165,727.56 = 57,980.86/x
  3. Step 3: Cross multiply
    110,681.92x = 165,727.56 × 57,980.86
  4. Step 4: Simplify right side
    110,681.92x = 9,609,026,454.50
  5. Step 5: Solve for x
    x = 9,609,026,454.50/110,681.92
  6. Step 6: Final answer
    x = 86,816.59

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1.5x scale

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.