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Finding the Fourth Proportional to 106,611.97, 147,062.84 and 68,886.22

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Solution

The fourth proportional to 106,611.97, 147,062.84 and 68,886.22 is: 95,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,611.97 : 147,062.84 = 68,886.22 : x
  2. Step 2: Convert to fraction form
    106,611.97/147,062.84 = 68,886.22/x
  3. Step 3: Cross multiply
    106,611.97x = 147,062.84 × 68,886.22
  4. Step 4: Simplify right side
    106,611.97x = 10,130,602,493.85
  5. Step 5: Solve for x
    x = 10,130,602,493.85/106,611.97
  6. Step 6: Final answer
    x = 95,023.13

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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.