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Finding the Fourth Proportional to 253,382.68, 349,612.56 and 151,392.82

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Solution

The fourth proportional to 253,382.68, 349,612.56 and 151,392.82 is: 208,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,382.68 : 349,612.56 = 151,392.82 : x
  2. Step 2: Convert to fraction form
    253,382.68/349,612.56 = 151,392.82/x
  3. Step 3: Cross multiply
    253,382.68x = 349,612.56 × 151,392.82
  4. Step 4: Simplify right side
    253,382.68x = 52,928,831,365.82
  5. Step 5: Solve for x
    x = 52,928,831,365.82/253,382.68
  6. Step 6: Final answer
    x = 208,888.91

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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.