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Finding the Fourth Proportional to 108,837.48, 150,194.48 and 61,089.60

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Solution

The fourth proportional to 108,837.48, 150,194.48 and 61,089.60 is: 84,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,837.48 : 150,194.48 = 61,089.60 : x
  2. Step 2: Convert to fraction form
    108,837.48/150,194.48 = 61,089.60/x
  3. Step 3: Cross multiply
    108,837.48x = 150,194.48 × 61,089.60
  4. Step 4: Simplify right side
    108,837.48x = 9,175,320,399.96
  5. Step 5: Solve for x
    x = 9,175,320,399.96/108,837.48
  6. Step 6: Final answer
    x = 84,302.95

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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.