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Finding the Fourth Proportional to 151,710.40, 227,565.60 and 92,661.40

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Solution

The fourth proportional to 151,710.40, 227,565.60 and 92,661.40 is: 138,992.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,710.40 : 227,565.60 = 92,661.40 : x
  2. Step 2: Convert to fraction form
    151,710.40/227,565.60 = 92,661.40/x
  3. Step 3: Cross multiply
    151,710.40x = 227,565.60 × 92,661.40
  4. Step 4: Simplify right side
    151,710.40x = 21,086,547,087.84
  5. Step 5: Solve for x
    x = 21,086,547,087.84/151,710.40
  6. Step 6: Final answer
    x = 138,992.10

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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.