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Finding the Fourth Proportional to 108,860.52, 163,341 and 49,714.32

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Solution

The fourth proportional to 108,860.52, 163,341 and 49,714.32 is: 74,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860.52 : 163,341 = 49,714.32 : x
  2. Step 2: Convert to fraction form
    108,860.52/163,341 = 49,714.32/x
  3. Step 3: Cross multiply
    108,860.52x = 163,341 × 49,714.32
  4. Step 4: Simplify right side
    108,860.52x = 8,120,386,743.12
  5. Step 5: Solve for x
    x = 8,120,386,743.12/108,860.52
  6. Step 6: Final answer
    x = 74,594.41

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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.