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Finding the Fourth Proportional to 132,051.90, 197,859.15 and 112,368.90

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Solution

The fourth proportional to 132,051.90, 197,859.15 and 112,368.90 is: 168,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,051.90 : 197,859.15 = 112,368.90 : x
  2. Step 2: Convert to fraction form
    132,051.90/197,859.15 = 112,368.90/x
  3. Step 3: Cross multiply
    132,051.90x = 197,859.15 × 112,368.90
  4. Step 4: Simplify right side
    132,051.90x = 22,233,215,040.44
  5. Step 5: Solve for x
    x = 22,233,215,040.44/132,051.90
  6. Step 6: Final answer
    x = 168,367.25

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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.