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Finding the Fourth Proportional to 349,966.64, 525,033.39 and 113,309.39

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Solution

The fourth proportional to 349,966.64, 525,033.39 and 113,309.39 is: 169,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,966.64 : 525,033.39 = 113,309.39 : x
  2. Step 2: Convert to fraction form
    349,966.64/525,033.39 = 113,309.39/x
  3. Step 3: Cross multiply
    349,966.64x = 525,033.39 × 113,309.39
  4. Step 4: Simplify right side
    349,966.64x = 59,491,213,150.53
  5. Step 5: Solve for x
    x = 59,491,213,150.53/349,966.64
  6. Step 6: Final answer
    x = 169,991.10

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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.