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Finding the Fourth Proportional to 152,058.48, 209,822.04 and 88,410.48

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Solution

The fourth proportional to 152,058.48, 209,822.04 and 88,410.48 is: 121,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,058.48 : 209,822.04 = 88,410.48 : x
  2. Step 2: Convert to fraction form
    152,058.48/209,822.04 = 88,410.48/x
  3. Step 3: Cross multiply
    152,058.48x = 209,822.04 × 88,410.48
  4. Step 4: Simplify right side
    152,058.48x = 18,550,467,270.98
  5. Step 5: Solve for x
    x = 18,550,467,270.98/152,058.48
  6. Step 6: Final answer
    x = 121,995.61

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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.