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Finding the Fourth Proportional to 251,673.02, 377,640.78 and 102,023.90

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Solution

The fourth proportional to 251,673.02, 377,640.78 and 102,023.90 is: 153,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,673.02 : 377,640.78 = 102,023.90 : x
  2. Step 2: Convert to fraction form
    251,673.02/377,640.78 = 102,023.90/x
  3. Step 3: Cross multiply
    251,673.02x = 377,640.78 × 102,023.90
  4. Step 4: Simplify right side
    251,673.02x = 38,528,385,174.64
  5. Step 5: Solve for x
    x = 38,528,385,174.64/251,673.02
  6. Step 6: Final answer
    x = 153,089.06

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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.