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Finding the Fourth Proportional to 253,371.92, 349,597.76 and 151,382.08

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Solution

The fourth proportional to 253,371.92, 349,597.76 and 151,382.08 is: 208,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,371.92 : 349,597.76 = 151,382.08 : x
  2. Step 2: Convert to fraction form
    253,371.92/349,597.76 = 151,382.08/x
  3. Step 3: Cross multiply
    253,371.92x = 349,597.76 × 151,382.08
  4. Step 4: Simplify right side
    253,371.92x = 52,922,835,752.23
  5. Step 5: Solve for x
    x = 52,922,835,752.23/253,371.92
  6. Step 6: Final answer
    x = 208,874.12

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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.