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Finding the Fourth Proportional to 112,172.00, 154,797.84 and 61,185.82

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Solution

The fourth proportional to 112,172.00, 154,797.84 and 61,185.82 is: 84,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172.00 : 154,797.84 = 61,185.82 : x
  2. Step 2: Convert to fraction form
    112,172.00/154,797.84 = 61,185.82/x
  3. Step 3: Cross multiply
    112,172.00x = 154,797.84 × 61,185.82
  4. Step 4: Simplify right side
    112,172.00x = 9,471,432,387.63
  5. Step 5: Solve for x
    x = 9,471,432,387.63/112,172.00
  6. Step 6: Final answer
    x = 84,436.69

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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.