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Finding the Fourth Proportional to 226,459.64, 312,506.70 and 125,855.48

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Solution

The fourth proportional to 226,459.64, 312,506.70 and 125,855.48 is: 173,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,459.64 : 312,506.70 = 125,855.48 : x
  2. Step 2: Convert to fraction form
    226,459.64/312,506.70 = 125,855.48/x
  3. Step 3: Cross multiply
    226,459.64x = 312,506.70 × 125,855.48
  4. Step 4: Simplify right side
    226,459.64x = 39,330,680,731.72
  5. Step 5: Solve for x
    x = 39,330,680,731.72/226,459.64
  6. Step 6: Final answer
    x = 173,676.34

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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.