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Finding the Fourth Proportional to 250,032.52, 375,162.64 and 105,977.82

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Solution

The fourth proportional to 250,032.52, 375,162.64 and 105,977.82 is: 159,014.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,032.52 : 375,162.64 = 105,977.82 : x
  2. Step 2: Convert to fraction form
    250,032.52/375,162.64 = 105,977.82/x
  3. Step 3: Cross multiply
    250,032.52x = 375,162.64 × 105,977.82
  4. Step 4: Simplify right side
    250,032.52x = 39,758,919,369.84
  5. Step 5: Solve for x
    x = 39,758,919,369.84/250,032.52
  6. Step 6: Final answer
    x = 159,014.99

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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.