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Finding the Fourth Proportional to 258,050, 386,798.52 and 108,252.56

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Solution

The fourth proportional to 258,050, 386,798.52 and 108,252.56 is: 162,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,050 : 386,798.52 = 108,252.56 : x
  2. Step 2: Convert to fraction form
    258,050/386,798.52 = 108,252.56/x
  3. Step 3: Cross multiply
    258,050x = 386,798.52 × 108,252.56
  4. Step 4: Simplify right side
    258,050x = 41,871,929,994.21
  5. Step 5: Solve for x
    x = 41,871,929,994.21/258,050
  6. Step 6: Final answer
    x = 162,262.86

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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.