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Finding the Fourth Proportional to 272,218.66, 375,662.91 and 151,370.98

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Solution

The fourth proportional to 272,218.66, 375,662.91 and 151,370.98 is: 208,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,218.66 : 375,662.91 = 151,370.98 : x
  2. Step 2: Convert to fraction form
    272,218.66/375,662.91 = 151,370.98/x
  3. Step 3: Cross multiply
    272,218.66x = 375,662.91 × 151,370.98
  4. Step 4: Simplify right side
    272,218.66x = 56,864,462,464.84
  5. Step 5: Solve for x
    x = 56,864,462,464.84/272,218.66
  6. Step 6: Final answer
    x = 208,892.60

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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.