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Finding the Fourth Proportional to 258,484.77, 356,656.16 and 151,034.03

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Solution

The fourth proportional to 258,484.77, 356,656.16 and 151,034.03 is: 208,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,484.77 : 356,656.16 = 151,034.03 : x
  2. Step 2: Convert to fraction form
    258,484.77/356,656.16 = 151,034.03/x
  3. Step 3: Cross multiply
    258,484.77x = 356,656.16 × 151,034.03
  4. Step 4: Simplify right side
    258,484.77x = 53,867,219,107.08
  5. Step 5: Solve for x
    x = 53,867,219,107.08/258,484.77
  6. Step 6: Final answer
    x = 208,396.10

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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.