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Finding the Fourth Proportional to 176,679.18, 243,823.77 and 101,242.26

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Solution

The fourth proportional to 176,679.18, 243,823.77 and 101,242.26 is: 139,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,679.18 : 243,823.77 = 101,242.26 : x
  2. Step 2: Convert to fraction form
    176,679.18/243,823.77 = 101,242.26/x
  3. Step 3: Cross multiply
    176,679.18x = 243,823.77 × 101,242.26
  4. Step 4: Simplify right side
    176,679.18x = 24,685,269,516.52
  5. Step 5: Solve for x
    x = 24,685,269,516.52/176,679.18
  6. Step 6: Final answer
    x = 139,718.04

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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.