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Finding the Fourth Proportional to 108,806.12, 150,148.86 and 61,060.22

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Solution

The fourth proportional to 108,806.12, 150,148.86 and 61,060.22 is: 84,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,806.12 : 150,148.86 = 61,060.22 : x
  2. Step 2: Convert to fraction form
    108,806.12/150,148.86 = 61,060.22/x
  3. Step 3: Cross multiply
    108,806.12x = 150,148.86 × 61,060.22
  4. Step 4: Simplify right side
    108,806.12x = 9,168,122,424.35
  5. Step 5: Solve for x
    x = 9,168,122,424.35/108,806.12
  6. Step 6: Final answer
    x = 84,261.09

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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.