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Finding the Fourth Proportional to 265,122.72, 365,885.10 and 151,952.76

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Solution

The fourth proportional to 265,122.72, 365,885.10 and 151,952.76 is: 209,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,122.72 : 365,885.10 = 151,952.76 : x
  2. Step 2: Convert to fraction form
    265,122.72/365,885.10 = 151,952.76/x
  3. Step 3: Cross multiply
    265,122.72x = 365,885.10 × 151,952.76
  4. Step 4: Simplify right side
    265,122.72x = 55,597,250,787.88
  5. Step 5: Solve for x
    x = 55,597,250,787.88/265,122.72
  6. Step 6: Final answer
    x = 209,703.83

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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.