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Finding the Fourth Proportional to 108,803.93, 163,187.11 and 28,842.43

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Solution

The fourth proportional to 108,803.93, 163,187.11 and 28,842.43 is: 43,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803.93 : 163,187.11 = 28,842.43 : x
  2. Step 2: Convert to fraction form
    108,803.93/163,187.11 = 28,842.43/x
  3. Step 3: Cross multiply
    108,803.93x = 163,187.11 × 28,842.43
  4. Step 4: Simplify right side
    108,803.93x = 4,706,712,568.90
  5. Step 5: Solve for x
    x = 4,706,712,568.90/108,803.93
  6. Step 6: Final answer
    x = 43,258.66

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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.