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Finding the Fourth Proportional to 267,081.81, 368,593.35 and 152,362.98

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Solution

The fourth proportional to 267,081.81, 368,593.35 and 152,362.98 is: 210,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,081.81 : 368,593.35 = 152,362.98 : x
  2. Step 2: Convert to fraction form
    267,081.81/368,593.35 = 152,362.98/x
  3. Step 3: Cross multiply
    267,081.81x = 368,593.35 × 152,362.98
  4. Step 4: Simplify right side
    267,081.81x = 56,159,981,214.18
  5. Step 5: Solve for x
    x = 56,159,981,214.18/267,081.81
  6. Step 6: Final answer
    x = 210,272.58

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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.