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Finding the Fourth Proportional to 61,133.66, 91,692.68 and 23,668.10

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Solution

The fourth proportional to 61,133.66, 91,692.68 and 23,668.10 is: 35,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133.66 : 91,692.68 = 23,668.10 : x
  2. Step 2: Convert to fraction form
    61,133.66/91,692.68 = 23,668.10/x
  3. Step 3: Cross multiply
    61,133.66x = 91,692.68 × 23,668.10
  4. Step 4: Simplify right side
    61,133.66x = 2,170,191,519.51
  5. Step 5: Solve for x
    x = 2,170,191,519.51/61,133.66
  6. Step 6: Final answer
    x = 35,499.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.