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Finding the Fourth Proportional to 176,624.45, 243,748.16 and 101,187.53

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Solution

The fourth proportional to 176,624.45, 243,748.16 and 101,187.53 is: 139,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,624.45 : 243,748.16 = 101,187.53 : x
  2. Step 2: Convert to fraction form
    176,624.45/243,748.16 = 101,187.53/x
  3. Step 3: Cross multiply
    176,624.45x = 243,748.16 × 101,187.53
  4. Step 4: Simplify right side
    176,624.45x = 24,664,274,252.44
  5. Step 5: Solve for x
    x = 24,664,274,252.44/176,624.45
  6. Step 6: Final answer
    x = 139,642.47

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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.