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Finding the Fourth Proportional to 108,835.56, 150,184.84 and 61,079.68

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Solution

The fourth proportional to 108,835.56, 150,184.84 and 61,079.68 is: 84,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.56 : 150,184.84 = 61,079.68 : x
  2. Step 2: Convert to fraction form
    108,835.56/150,184.84 = 61,079.68/x
  3. Step 3: Cross multiply
    108,835.56x = 150,184.84 × 61,079.68
  4. Step 4: Simplify right side
    108,835.56x = 9,173,241,662.65
  5. Step 5: Solve for x
    x = 9,173,241,662.65/108,835.56
  6. Step 6: Final answer
    x = 84,285.34

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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.