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Finding the Fourth Proportional to 272,252.73, 375,700.24 and 151,390.81

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Solution

The fourth proportional to 272,252.73, 375,700.24 and 151,390.81 is: 208,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,252.73 : 375,700.24 = 151,390.81 : x
  2. Step 2: Convert to fraction form
    272,252.73/375,700.24 = 151,390.81/x
  3. Step 3: Cross multiply
    272,252.73x = 375,700.24 × 151,390.81
  4. Step 4: Simplify right side
    272,252.73x = 56,877,563,650.79
  5. Step 5: Solve for x
    x = 56,877,563,650.79/272,252.73
  6. Step 6: Final answer
    x = 208,914.58

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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.