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Finding the Fourth Proportional to 184,686.39, 254,867.22 and 99,803.46

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Solution

The fourth proportional to 184,686.39, 254,867.22 and 99,803.46 is: 137,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,686.39 : 254,867.22 = 99,803.46 : x
  2. Step 2: Convert to fraction form
    184,686.39/254,867.22 = 99,803.46/x
  3. Step 3: Cross multiply
    184,686.39x = 254,867.22 × 99,803.46
  4. Step 4: Simplify right side
    184,686.39x = 25,436,630,396.58
  5. Step 5: Solve for x
    x = 25,436,630,396.58/184,686.39
  6. Step 6: Final answer
    x = 137,728.78

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1.5x scale

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.