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Finding the Fourth Proportional to 108,794.48, 150,151.32 and 61,050.65

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Solution

The fourth proportional to 108,794.48, 150,151.32 and 61,050.65 is: 84,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,794.48 : 150,151.32 = 61,050.65 : x
  2. Step 2: Convert to fraction form
    108,794.48/150,151.32 = 61,050.65/x
  3. Step 3: Cross multiply
    108,794.48x = 150,151.32 × 61,050.65
  4. Step 4: Simplify right side
    108,794.48x = 9,166,834,933.60
  5. Step 5: Solve for x
    x = 9,166,834,933.60/108,794.48
  6. Step 6: Final answer
    x = 84,258.28

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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.