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Finding the Fourth Proportional to 258,520, 356,808.74 and 167,748.52

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Solution

The fourth proportional to 258,520, 356,808.74 and 167,748.52 is: 231,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,520 : 356,808.74 = 167,748.52 : x
  2. Step 2: Convert to fraction form
    258,520/356,808.74 = 167,748.52/x
  3. Step 3: Cross multiply
    258,520x = 356,808.74 × 167,748.52
  4. Step 4: Simplify right side
    258,520x = 59,854,138,058.06
  5. Step 5: Solve for x
    x = 59,854,138,058.06/258,520
  6. Step 6: Final answer
    x = 231,526.14

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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.