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Finding the Fourth Proportional to 349,409.97, 524,126.66 and 96,669.32

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Solution

The fourth proportional to 349,409.97, 524,126.66 and 96,669.32 is: 145,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,409.97 : 524,126.66 = 96,669.32 : x
  2. Step 2: Convert to fraction form
    349,409.97/524,126.66 = 96,669.32/x
  3. Step 3: Cross multiply
    349,409.97x = 524,126.66 × 96,669.32
  4. Step 4: Simplify right side
    349,409.97x = 50,666,965,195.44
  5. Step 5: Solve for x
    x = 50,666,965,195.44/349,409.97
  6. Step 6: Final answer
    x = 145,007.21

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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.