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Finding the Fourth Proportional to 112,304.63, 154,993.98 and 63,918.32

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Solution

The fourth proportional to 112,304.63, 154,993.98 and 63,918.32 is: 88,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,304.63 : 154,993.98 = 63,918.32 : x
  2. Step 2: Convert to fraction form
    112,304.63/154,993.98 = 63,918.32/x
  3. Step 3: Cross multiply
    112,304.63x = 154,993.98 × 63,918.32
  4. Step 4: Simplify right side
    112,304.63x = 9,906,954,651.92
  5. Step 5: Solve for x
    x = 9,906,954,651.92/112,304.63
  6. Step 6: Final answer
    x = 88,215.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.