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Finding the Fourth Proportional to 343,272.71, 514,238.72 and 163,101.72

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Solution

The fourth proportional to 343,272.71, 514,238.72 and 163,101.72 is: 244,334.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,272.71 : 514,238.72 = 163,101.72 : x
  2. Step 2: Convert to fraction form
    343,272.71/514,238.72 = 163,101.72/x
  3. Step 3: Cross multiply
    343,272.71x = 514,238.72 × 163,101.72
  4. Step 4: Simplify right side
    343,272.71x = 83,873,218,907.09
  5. Step 5: Solve for x
    x = 83,873,218,907.09/343,272.71
  6. Step 6: Final answer
    x = 244,334.08

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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.