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Finding the Fourth Proportional to 253,552, 349,901.76 and 140,382.04

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Solution

The fourth proportional to 253,552, 349,901.76 and 140,382.04 is: 193,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,552 : 349,901.76 = 140,382.04 : x
  2. Step 2: Convert to fraction form
    253,552/349,901.76 = 140,382.04/x
  3. Step 3: Cross multiply
    253,552x = 349,901.76 × 140,382.04
  4. Step 4: Simplify right side
    253,552x = 49,119,922,868.39
  5. Step 5: Solve for x
    x = 49,119,922,868.39/253,552
  6. Step 6: Final answer
    x = 193,727.22

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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.