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Finding the Fourth Proportional to 176,247.42, 243,221.40 and 100,795.92

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Solution

The fourth proportional to 176,247.42, 243,221.40 and 100,795.92 is: 139,098.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,247.42 : 243,221.40 = 100,795.92 : x
  2. Step 2: Convert to fraction form
    176,247.42/243,221.40 = 100,795.92/x
  3. Step 3: Cross multiply
    176,247.42x = 243,221.40 × 100,795.92
  4. Step 4: Simplify right side
    176,247.42x = 24,515,724,776.69
  5. Step 5: Solve for x
    x = 24,515,724,776.69/176,247.42
  6. Step 6: Final answer
    x = 139,098.35

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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.