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Finding the Fourth Proportional to 136,907.94, 188,854.10 and 82,422.22

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Solution

The fourth proportional to 136,907.94, 188,854.10 and 82,422.22 is: 113,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,907.94 : 188,854.10 = 82,422.22 : x
  2. Step 2: Convert to fraction form
    136,907.94/188,854.10 = 82,422.22/x
  3. Step 3: Cross multiply
    136,907.94x = 188,854.10 × 82,422.22
  4. Step 4: Simplify right side
    136,907.94x = 15,565,774,178.10
  5. Step 5: Solve for x
    x = 15,565,774,178.10/136,907.94
  6. Step 6: Final answer
    x = 113,695.19

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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.