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Finding the Fourth Proportional to 272,003.94, 375,367.05 and 149,495.00

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Solution

The fourth proportional to 272,003.94, 375,367.05 and 149,495.00 is: 206,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,003.94 : 375,367.05 = 149,495.00 : x
  2. Step 2: Convert to fraction form
    272,003.94/375,367.05 = 149,495.00/x
  3. Step 3: Cross multiply
    272,003.94x = 375,367.05 × 149,495.00
  4. Step 4: Simplify right side
    272,003.94x = 56,115,495,262.91
  5. Step 5: Solve for x
    x = 56,115,495,262.91/272,003.94
  6. Step 6: Final answer
    x = 206,303.98

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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.