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Finding the Fourth Proportional to 97,251.90, 144,855.08 and 92,701.50

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Solution

The fourth proportional to 97,251.90, 144,855.08 and 92,701.50 is: 138,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,251.90 : 144,855.08 = 92,701.50 : x
  2. Step 2: Convert to fraction form
    97,251.90/144,855.08 = 92,701.50/x
  3. Step 3: Cross multiply
    97,251.90x = 144,855.08 × 92,701.50
  4. Step 4: Simplify right side
    97,251.90x = 13,428,282,735.11
  5. Step 5: Solve for x
    x = 13,428,282,735.11/97,251.90
  6. Step 6: Final answer
    x = 138,077.33

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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.