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Finding the Fourth Proportional to 108,952.16, 150,357.32 and 61,206.48

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Solution

The fourth proportional to 108,952.16, 150,357.32 and 61,206.48 is: 84,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,952.16 : 150,357.32 = 61,206.48 : x
  2. Step 2: Convert to fraction form
    108,952.16/150,357.32 = 61,206.48/x
  3. Step 3: Cross multiply
    108,952.16x = 150,357.32 × 61,206.48
  4. Step 4: Simplify right side
    108,952.16x = 9,202,842,299.43
  5. Step 5: Solve for x
    x = 9,202,842,299.43/108,952.16
  6. Step 6: Final answer
    x = 84,466.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.