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Finding the Fourth Proportional to 164,686.14, 247,064.01 and 63,486.78

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Solution

The fourth proportional to 164,686.14, 247,064.01 and 63,486.78 is: 95,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,686.14 : 247,064.01 = 63,486.78 : x
  2. Step 2: Convert to fraction form
    164,686.14/247,064.01 = 63,486.78/x
  3. Step 3: Cross multiply
    164,686.14x = 247,064.01 × 63,486.78
  4. Step 4: Simplify right side
    164,686.14x = 15,685,298,448.79
  5. Step 5: Solve for x
    x = 15,685,298,448.79/164,686.14
  6. Step 6: Final answer
    x = 95,243.59

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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.