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Finding the Fourth Proportional to 179,564.99, 247,822.13 and 103,108.01

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Solution

The fourth proportional to 179,564.99, 247,822.13 and 103,108.01 is: 142,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,564.99 : 247,822.13 = 103,108.01 : x
  2. Step 2: Convert to fraction form
    179,564.99/247,822.13 = 103,108.01/x
  3. Step 3: Cross multiply
    179,564.99x = 247,822.13 × 103,108.01
  4. Step 4: Simplify right side
    179,564.99x = 25,552,446,762.28
  5. Step 5: Solve for x
    x = 25,552,446,762.28/179,564.99
  6. Step 6: Final answer
    x = 142,301.94

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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.