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Finding the Fourth Proportional to 258,008.10, 386,684.10 and 124,601.10

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Solution

The fourth proportional to 258,008.10, 386,684.10 and 124,601.10 is: 186,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,008.10 : 386,684.10 = 124,601.10 : x
  2. Step 2: Convert to fraction form
    258,008.10/386,684.10 = 124,601.10/x
  3. Step 3: Cross multiply
    258,008.10x = 386,684.10 × 124,601.10
  4. Step 4: Simplify right side
    258,008.10x = 48,181,264,212.51
  5. Step 5: Solve for x
    x = 48,181,264,212.51/258,008.10
  6. Step 6: Final answer
    x = 186,743.22

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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.