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Finding the Fourth Proportional to 108,858.76, 150,223.77 and 61,110.88

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Solution

The fourth proportional to 108,858.76, 150,223.77 and 61,110.88 is: 84,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.76 : 150,223.77 = 61,110.88 : x
  2. Step 2: Convert to fraction form
    108,858.76/150,223.77 = 61,110.88/x
  3. Step 3: Cross multiply
    108,858.76x = 150,223.77 × 61,110.88
  4. Step 4: Simplify right side
    108,858.76x = 9,180,306,781.62
  5. Step 5: Solve for x
    x = 9,180,306,781.62/108,858.76
  6. Step 6: Final answer
    x = 84,332.27

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1.5x scale

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.