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Finding the Fourth Proportional to 92,265.51, 137,892.71 and 67,358.01

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Solution

The fourth proportional to 92,265.51, 137,892.71 and 67,358.01 is: 100,667.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,265.51 : 137,892.71 = 67,358.01 : x
  2. Step 2: Convert to fraction form
    92,265.51/137,892.71 = 67,358.01/x
  3. Step 3: Cross multiply
    92,265.51x = 137,892.71 × 67,358.01
  4. Step 4: Simplify right side
    92,265.51x = 9,288,178,202.32
  5. Step 5: Solve for x
    x = 9,288,178,202.32/92,265.51
  6. Step 6: Final answer
    x = 100,667.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.