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Finding the Fourth Proportional to 108,849, 163,224.24 and 38,730.16

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Solution

The fourth proportional to 108,849, 163,224.24 and 38,730.16 is: 58,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,849 : 163,224.24 = 38,730.16 : x
  2. Step 2: Convert to fraction form
    108,849/163,224.24 = 38,730.16/x
  3. Step 3: Cross multiply
    108,849x = 163,224.24 × 38,730.16
  4. Step 4: Simplify right side
    108,849x = 6,321,700,931.08
  5. Step 5: Solve for x
    x = 6,321,700,931.08/108,849
  6. Step 6: Final answer
    x = 58,077.71

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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.