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Finding the Fourth Proportional to 110,394.63, 152,360.99 and 65,058.12

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Solution

The fourth proportional to 110,394.63, 152,360.99 and 65,058.12 is: 89,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,394.63 : 152,360.99 = 65,058.12 : x
  2. Step 2: Convert to fraction form
    110,394.63/152,360.99 = 65,058.12/x
  3. Step 3: Cross multiply
    110,394.63x = 152,360.99 × 65,058.12
  4. Step 4: Simplify right side
    110,394.63x = 9,912,319,570.74
  5. Step 5: Solve for x
    x = 9,912,319,570.74/110,394.63
  6. Step 6: Final answer
    x = 89,789.87

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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.