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Finding the Fourth Proportional to 149,925.76, 224,855.52 and 43,286.56

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Solution

The fourth proportional to 149,925.76, 224,855.52 and 43,286.56 is: 64,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,925.76 : 224,855.52 = 43,286.56 : x
  2. Step 2: Convert to fraction form
    149,925.76/224,855.52 = 43,286.56/x
  3. Step 3: Cross multiply
    149,925.76x = 224,855.52 × 43,286.56
  4. Step 4: Simplify right side
    149,925.76x = 9,733,221,957.81
  5. Step 5: Solve for x
    x = 9,733,221,957.81/149,925.76
  6. Step 6: Final answer
    x = 64,920.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.