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Finding the Fourth Proportional to 344,895.64, 517,169.57 and 104,963.51

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Solution

The fourth proportional to 344,895.64, 517,169.57 and 104,963.51 is: 157,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,895.64 : 517,169.57 = 104,963.51 : x
  2. Step 2: Convert to fraction form
    344,895.64/517,169.57 = 104,963.51/x
  3. Step 3: Cross multiply
    344,895.64x = 517,169.57 × 104,963.51
  4. Step 4: Simplify right side
    344,895.64x = 54,283,934,100.50
  5. Step 5: Solve for x
    x = 54,283,934,100.50/344,895.64
  6. Step 6: Final answer
    x = 157,392.35

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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.