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Finding the Fourth Proportional to 181,653.68, 250,654.56 and 101,082.44

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Solution

The fourth proportional to 181,653.68, 250,654.56 and 101,082.44 is: 139,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,653.68 : 250,654.56 = 101,082.44 : x
  2. Step 2: Convert to fraction form
    181,653.68/250,654.56 = 101,082.44/x
  3. Step 3: Cross multiply
    181,653.68x = 250,654.56 × 101,082.44
  4. Step 4: Simplify right side
    181,653.68x = 25,336,774,521.93
  5. Step 5: Solve for x
    x = 25,336,774,521.93/181,653.68
  6. Step 6: Final answer
    x = 139,478.45

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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.