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Finding the Fourth Proportional to 176,679.68, 243,824.46 and 101,242.76

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Solution

The fourth proportional to 176,679.68, 243,824.46 and 101,242.76 is: 139,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,679.68 : 243,824.46 = 101,242.76 : x
  2. Step 2: Convert to fraction form
    176,679.68/243,824.46 = 101,242.76/x
  3. Step 3: Cross multiply
    176,679.68x = 243,824.46 × 101,242.76
  4. Step 4: Simplify right side
    176,679.68x = 24,685,461,285.91
  5. Step 5: Solve for x
    x = 24,685,461,285.91/176,679.68
  6. Step 6: Final answer
    x = 139,718.73

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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.