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Finding the Fourth Proportional to 108,874.80, 162,582.12 and 108,349.92

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Solution

The fourth proportional to 108,874.80, 162,582.12 and 108,349.92 is: 161,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.80 : 162,582.12 = 108,349.92 : x
  2. Step 2: Convert to fraction form
    108,874.80/162,582.12 = 108,349.92/x
  3. Step 3: Cross multiply
    108,874.80x = 162,582.12 × 108,349.92
  4. Step 4: Simplify right side
    108,874.80x = 17,615,759,695.43
  5. Step 5: Solve for x
    x = 17,615,759,695.43/108,874.80
  6. Step 6: Final answer
    x = 161,798.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.