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Finding the Fourth Proportional to 376,661.94, 564,992.90 and 166,257.96

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Solution

The fourth proportional to 376,661.94, 564,992.90 and 166,257.96 is: 249,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,661.94 : 564,992.90 = 166,257.96 : x
  2. Step 2: Convert to fraction form
    376,661.94/564,992.90 = 166,257.96/x
  3. Step 3: Cross multiply
    376,661.94x = 564,992.90 × 166,257.96
  4. Step 4: Simplify right side
    376,661.94x = 93,934,566,968.48
  5. Step 5: Solve for x
    x = 93,934,566,968.48/376,661.94
  6. Step 6: Final answer
    x = 249,386.94

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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.