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Finding the Fourth Proportional to 176,628.63, 243,753.93 and 101,191.71

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Solution

The fourth proportional to 176,628.63, 243,753.93 and 101,191.71 is: 139,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,628.63 : 243,753.93 = 101,191.71 : x
  2. Step 2: Convert to fraction form
    176,628.63/243,753.93 = 101,191.71/x
  3. Step 3: Cross multiply
    176,628.63x = 243,753.93 × 101,191.71
  4. Step 4: Simplify right side
    176,628.63x = 24,665,876,995.92
  5. Step 5: Solve for x
    x = 24,665,876,995.92/176,628.63
  6. Step 6: Final answer
    x = 139,648.24

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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.