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Finding the Fourth Proportional to 132,029.76, 198,041.34 and 38,536.32

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Solution

The fourth proportional to 132,029.76, 198,041.34 and 38,536.32 is: 57,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,029.76 : 198,041.34 = 38,536.32 : x
  2. Step 2: Convert to fraction form
    132,029.76/198,041.34 = 38,536.32/x
  3. Step 3: Cross multiply
    132,029.76x = 198,041.34 × 38,536.32
  4. Step 4: Simplify right side
    132,029.76x = 7,631,784,451.47
  5. Step 5: Solve for x
    x = 7,631,784,451.47/132,029.76
  6. Step 6: Final answer
    x = 57,803.52

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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.