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Finding the Fourth Proportional to 108,679.42, 163,019.74 and 49,473.68

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Solution

The fourth proportional to 108,679.42, 163,019.74 and 49,473.68 is: 74,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,679.42 : 163,019.74 = 49,473.68 : x
  2. Step 2: Convert to fraction form
    108,679.42/163,019.74 = 49,473.68/x
  3. Step 3: Cross multiply
    108,679.42x = 163,019.74 × 49,473.68
  4. Step 4: Simplify right side
    108,679.42x = 8,065,186,450.44
  5. Step 5: Solve for x
    x = 8,065,186,450.44/108,679.42
  6. Step 6: Final answer
    x = 74,210.80

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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.