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Finding the Fourth Proportional to 66,062.69, 99,090.49 and 23,365.16

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Solution

The fourth proportional to 66,062.69, 99,090.49 and 23,365.16 is: 35,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,062.69 : 99,090.49 = 23,365.16 : x
  2. Step 2: Convert to fraction form
    66,062.69/99,090.49 = 23,365.16/x
  3. Step 3: Cross multiply
    66,062.69x = 99,090.49 × 23,365.16
  4. Step 4: Simplify right side
    66,062.69x = 2,315,264,599.46
  5. Step 5: Solve for x
    x = 2,315,264,599.46/66,062.69
  6. Step 6: Final answer
    x = 35,046.48

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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.