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Finding the Fourth Proportional to 272,951.72, 376,668.32 and 148,773.76

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Solution

The fourth proportional to 272,951.72, 376,668.32 and 148,773.76 is: 205,305.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,951.72 : 376,668.32 = 148,773.76 : x
  2. Step 2: Convert to fraction form
    272,951.72/376,668.32 = 148,773.76/x
  3. Step 3: Cross multiply
    272,951.72x = 376,668.32 × 148,773.76
  4. Step 4: Simplify right side
    272,951.72x = 56,038,362,239.28
  5. Step 5: Solve for x
    x = 56,038,362,239.28/272,951.72
  6. Step 6: Final answer
    x = 205,305.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.