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Finding the Fourth Proportional to 112,157.52, 168,268.77 and 36,254.45

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Solution

The fourth proportional to 112,157.52, 168,268.77 and 36,254.45 is: 54,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.52 : 168,268.77 = 36,254.45 : x
  2. Step 2: Convert to fraction form
    112,157.52/168,268.77 = 36,254.45/x
  3. Step 3: Cross multiply
    112,157.52x = 168,268.77 × 36,254.45
  4. Step 4: Simplify right side
    112,157.52x = 6,100,490,867.18
  5. Step 5: Solve for x
    x = 6,100,490,867.18/112,157.52
  6. Step 6: Final answer
    x = 54,392.17

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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.