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Finding the Fourth Proportional to 185,611.77, 278,058.92 and 110,791.53

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Solution

The fourth proportional to 185,611.77, 278,058.92 and 110,791.53 is: 165,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,611.77 : 278,058.92 = 110,791.53 : x
  2. Step 2: Convert to fraction form
    185,611.77/278,058.92 = 110,791.53/x
  3. Step 3: Cross multiply
    185,611.77x = 278,058.92 × 110,791.53
  4. Step 4: Simplify right side
    185,611.77x = 30,806,572,622.99
  5. Step 5: Solve for x
    x = 30,806,572,622.99/185,611.77
  6. Step 6: Final answer
    x = 165,973.16

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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.