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Finding the Fourth Proportional to 110,894.88, 167,090.52 and 91,605.36

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Solution

The fourth proportional to 110,894.88, 167,090.52 and 91,605.36 is: 138,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,894.88 : 167,090.52 = 91,605.36 : x
  2. Step 2: Convert to fraction form
    110,894.88/167,090.52 = 91,605.36/x
  3. Step 3: Cross multiply
    110,894.88x = 167,090.52 × 91,605.36
  4. Step 4: Simplify right side
    110,894.88x = 15,306,386,779.16
  5. Step 5: Solve for x
    x = 15,306,386,779.16/110,894.88
  6. Step 6: Final answer
    x = 138,026.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.