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Finding the Fourth Proportional to 272,955.81, 376,707.05 and 164,095.39

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Solution

The fourth proportional to 272,955.81, 376,707.05 and 164,095.39 is: 226,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,955.81 : 376,707.05 = 164,095.39 : x
  2. Step 2: Convert to fraction form
    272,955.81/376,707.05 = 164,095.39/x
  3. Step 3: Cross multiply
    272,955.81x = 376,707.05 × 164,095.39
  4. Step 4: Simplify right side
    272,955.81x = 61,815,888,523.25
  5. Step 5: Solve for x
    x = 61,815,888,523.25/272,955.81
  6. Step 6: Final answer
    x = 226,468.48

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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.