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Finding the Fourth Proportional to 108,392.16, 162,584.16 and 38,269.68

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Solution

The fourth proportional to 108,392.16, 162,584.16 and 38,269.68 is: 57,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,392.16 : 162,584.16 = 38,269.68 : x
  2. Step 2: Convert to fraction form
    108,392.16/162,584.16 = 38,269.68/x
  3. Step 3: Cross multiply
    108,392.16x = 162,584.16 × 38,269.68
  4. Step 4: Simplify right side
    108,392.16x = 6,222,043,776.27
  5. Step 5: Solve for x
    x = 6,222,043,776.27/108,392.16
  6. Step 6: Final answer
    x = 57,403.08

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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.