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Finding the Fourth Proportional to 108,803.58, 162,888.48 and 80,847.60

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Solution

The fourth proportional to 108,803.58, 162,888.48 and 80,847.60 is: 121,035.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.58 : 162,888.48 = 80,847.60 : x
  2. Step 2: Convert to fraction form
    108,803.58/162,888.48 = 80,847.60/x
  3. Step 3: Cross multiply
    108,803.58x = 162,888.48 × 80,847.60
  4. Step 4: Simplify right side
    108,803.58x = 13,169,142,675.65
  5. Step 5: Solve for x
    x = 13,169,142,675.65/108,803.58
  6. Step 6: Final answer
    x = 121,035.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.