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Finding the Fourth Proportional to 210,082.32, 315,123.84 and 62,338.32

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Solution

The fourth proportional to 210,082.32, 315,123.84 and 62,338.32 is: 93,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,082.32 : 315,123.84 = 62,338.32 : x
  2. Step 2: Convert to fraction form
    210,082.32/315,123.84 = 62,338.32/x
  3. Step 3: Cross multiply
    210,082.32x = 315,123.84 × 62,338.32
  4. Step 4: Simplify right side
    210,082.32x = 19,644,290,777.55
  5. Step 5: Solve for x
    x = 19,644,290,777.55/210,082.32
  6. Step 6: Final answer
    x = 93,507.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.