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Finding the Fourth Proportional to 258,990.51, 357,462.05 and 174,058.37

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Solution

The fourth proportional to 258,990.51, 357,462.05 and 174,058.37 is: 240,237.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,990.51 : 357,462.05 = 174,058.37 : x
  2. Step 2: Convert to fraction form
    258,990.51/357,462.05 = 174,058.37/x
  3. Step 3: Cross multiply
    258,990.51x = 357,462.05 × 174,058.37
  4. Step 4: Simplify right side
    258,990.51x = 62,219,259,102.26
  5. Step 5: Solve for x
    x = 62,219,259,102.26/258,990.51
  6. Step 6: Final answer
    x = 240,237.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.