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Finding the Fourth Proportional to 176,664.72, 243,803.76 and 101,227.80

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Solution

The fourth proportional to 176,664.72, 243,803.76 and 101,227.80 is: 139,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,664.72 : 243,803.76 = 101,227.80 : x
  2. Step 2: Convert to fraction form
    176,664.72/243,803.76 = 101,227.80/x
  3. Step 3: Cross multiply
    176,664.72x = 243,803.76 × 101,227.80
  4. Step 4: Simplify right side
    176,664.72x = 24,679,718,256.53
  5. Step 5: Solve for x
    x = 24,679,718,256.53/176,664.72
  6. Step 6: Final answer
    x = 139,698.06

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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.