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Finding the Fourth Proportional to 140,254.95, 193,525.77 and 79,822.00

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Solution

The fourth proportional to 140,254.95, 193,525.77 and 79,822.00 is: 110,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,254.95 : 193,525.77 = 79,822.00 : x
  2. Step 2: Convert to fraction form
    140,254.95/193,525.77 = 79,822.00/x
  3. Step 3: Cross multiply
    140,254.95x = 193,525.77 × 79,822.00
  4. Step 4: Simplify right side
    140,254.95x = 15,447,613,529.13
  5. Step 5: Solve for x
    x = 15,447,613,529.13/140,254.95
  6. Step 6: Final answer
    x = 110,139.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.