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Finding the Fourth Proportional to 101,505.42, 152,170.65 and 48,951.81

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Solution

The fourth proportional to 101,505.42, 152,170.65 and 48,951.81 is: 73,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,505.42 : 152,170.65 = 48,951.81 : x
  2. Step 2: Convert to fraction form
    101,505.42/152,170.65 = 48,951.81/x
  3. Step 3: Cross multiply
    101,505.42x = 152,170.65 × 48,951.81
  4. Step 4: Simplify right side
    101,505.42x = 7,449,028,746.38
  5. Step 5: Solve for x
    x = 7,449,028,746.38/101,505.42
  6. Step 6: Final answer
    x = 73,385.53

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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.