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Finding the Fourth Proportional to 272,212.76, 375,651.60 and 151,353.08

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Solution

The fourth proportional to 272,212.76, 375,651.60 and 151,353.08 is: 208,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,212.76 : 375,651.60 = 151,353.08 : x
  2. Step 2: Convert to fraction form
    272,212.76/375,651.60 = 151,353.08/x
  3. Step 3: Cross multiply
    272,212.76x = 375,651.60 × 151,353.08
  4. Step 4: Simplify right side
    272,212.76x = 56,856,026,666.93
  5. Step 5: Solve for x
    x = 56,856,026,666.93/272,212.76
  6. Step 6: Final answer
    x = 208,866.13

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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.