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Finding the Fourth Proportional to 216,663.13, 325,108.03 and 88,674.42

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Solution

The fourth proportional to 216,663.13, 325,108.03 and 88,674.42 is: 133,058.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,663.13 : 325,108.03 = 88,674.42 : x
  2. Step 2: Convert to fraction form
    216,663.13/325,108.03 = 88,674.42/x
  3. Step 3: Cross multiply
    216,663.13x = 325,108.03 × 88,674.42
  4. Step 4: Simplify right side
    216,663.13x = 28,828,765,997.59
  5. Step 5: Solve for x
    x = 28,828,765,997.59/216,663.13
  6. Step 6: Final answer
    x = 133,058.01

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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.