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Finding the Fourth Proportional to 272,245.17, 375,698.65 and 151,383.86

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Solution

The fourth proportional to 272,245.17, 375,698.65 and 151,383.86 is: 208,909.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,245.17 : 375,698.65 = 151,383.86 : x
  2. Step 2: Convert to fraction form
    272,245.17/375,698.65 = 151,383.86/x
  3. Step 3: Cross multiply
    272,245.17x = 375,698.65 × 151,383.86
  4. Step 4: Simplify right side
    272,245.17x = 56,874,713,887.48
  5. Step 5: Solve for x
    x = 56,874,713,887.48/272,245.17
  6. Step 6: Final answer
    x = 208,909.91

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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.