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Finding the Fourth Proportional to 192,058.30, 288,001.05 and 73,690.30

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Solution

The fourth proportional to 192,058.30, 288,001.05 and 73,690.30 is: 110,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,058.30 : 288,001.05 = 73,690.30 : x
  2. Step 2: Convert to fraction form
    192,058.30/288,001.05 = 73,690.30/x
  3. Step 3: Cross multiply
    192,058.30x = 288,001.05 × 73,690.30
  4. Step 4: Simplify right side
    192,058.30x = 21,222,883,774.82
  5. Step 5: Solve for x
    x = 21,222,883,774.82/192,058.30
  6. Step 6: Final answer
    x = 110,502.30

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1.5x scale

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.