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Finding the Fourth Proportional to 90,952.38, 124,605.36 and 87,543.38

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Solution

The fourth proportional to 90,952.38, 124,605.36 and 87,543.38 is: 119,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.38 : 124,605.36 = 87,543.38 : x
  2. Step 2: Convert to fraction form
    90,952.38/124,605.36 = 87,543.38/x
  3. Step 3: Cross multiply
    90,952.38x = 124,605.36 × 87,543.38
  4. Step 4: Simplify right side
    90,952.38x = 10,908,374,692.03
  5. Step 5: Solve for x
    x = 10,908,374,692.03/90,952.38
  6. Step 6: Final answer
    x = 119,935.01

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.