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Finding the Fourth Proportional to 272,027.60, 375,390.60 and 151,165.77

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Solution

The fourth proportional to 272,027.60, 375,390.60 and 151,165.77 is: 208,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,027.60 : 375,390.60 = 151,165.77 : x
  2. Step 2: Convert to fraction form
    272,027.60/375,390.60 = 151,165.77/x
  3. Step 3: Cross multiply
    272,027.60x = 375,390.60 × 151,165.77
  4. Step 4: Simplify right side
    272,027.60x = 56,746,209,099.76
  5. Step 5: Solve for x
    x = 56,746,209,099.76/272,027.60
  6. Step 6: Final answer
    x = 208,604.61

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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.