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Finding the Fourth Proportional to 108,922.30, 163,393.52 and 42,367.48

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Solution

The fourth proportional to 108,922.30, 163,393.52 and 42,367.48 is: 63,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,922.30 : 163,393.52 = 42,367.48 : x
  2. Step 2: Convert to fraction form
    108,922.30/163,393.52 = 42,367.48/x
  3. Step 3: Cross multiply
    108,922.30x = 163,393.52 × 42,367.48
  4. Step 4: Simplify right side
    108,922.30x = 6,922,571,690.73
  5. Step 5: Solve for x
    x = 6,922,571,690.73/108,922.30
  6. Step 6: Final answer
    x = 63,555.14

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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.