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Finding the Fourth Proportional to 156,493.67, 234,764.93 and 49,901.51

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Solution

The fourth proportional to 156,493.67, 234,764.93 and 49,901.51 is: 74,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,493.67 : 234,764.93 = 49,901.51 : x
  2. Step 2: Convert to fraction form
    156,493.67/234,764.93 = 49,901.51/x
  3. Step 3: Cross multiply
    156,493.67x = 234,764.93 × 49,901.51
  4. Step 4: Simplify right side
    156,493.67x = 11,715,124,502.04
  5. Step 5: Solve for x
    x = 11,715,124,502.04/156,493.67
  6. Step 6: Final answer
    x = 74,860.05

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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.