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Finding the Fourth Proportional to 267,039.61, 368,503.55 and 146,177.89

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Solution

The fourth proportional to 267,039.61, 368,503.55 and 146,177.89 is: 201,719.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,039.61 : 368,503.55 = 146,177.89 : x
  2. Step 2: Convert to fraction form
    267,039.61/368,503.55 = 146,177.89/x
  3. Step 3: Cross multiply
    267,039.61x = 368,503.55 × 146,177.89
  4. Step 4: Simplify right side
    267,039.61x = 53,867,071,396.51
  5. Step 5: Solve for x
    x = 53,867,071,396.51/267,039.61
  6. Step 6: Final answer
    x = 201,719.41

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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.