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Finding the Fourth Proportional to 225,375.36, 310,926.85 and 134,679.56

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Solution

The fourth proportional to 225,375.36, 310,926.85 and 134,679.56 is: 185,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,375.36 : 310,926.85 = 134,679.56 : x
  2. Step 2: Convert to fraction form
    225,375.36/310,926.85 = 134,679.56/x
  3. Step 3: Cross multiply
    225,375.36x = 310,926.85 × 134,679.56
  4. Step 4: Simplify right side
    225,375.36x = 41,875,490,676.79
  5. Step 5: Solve for x
    x = 41,875,490,676.79/225,375.36
  6. Step 6: Final answer
    x = 185,803.32

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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.