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Finding the Fourth Proportional to 250,801.55, 376,214.63 and 101,021.61

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Solution

The fourth proportional to 250,801.55, 376,214.63 and 101,021.61 is: 151,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,801.55 : 376,214.63 = 101,021.61 : x
  2. Step 2: Convert to fraction form
    250,801.55/376,214.63 = 101,021.61/x
  3. Step 3: Cross multiply
    250,801.55x = 376,214.63 × 101,021.61
  4. Step 4: Simplify right side
    250,801.55x = 38,005,808,533.85
  5. Step 5: Solve for x
    x = 38,005,808,533.85/250,801.55
  6. Step 6: Final answer
    x = 151,537.38

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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.