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Finding the Fourth Proportional to 132,536.95, 198,737.32 and 39,030.55

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Solution

The fourth proportional to 132,536.95, 198,737.32 and 39,030.55 is: 58,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,536.95 : 198,737.32 = 39,030.55 : x
  2. Step 2: Convert to fraction form
    132,536.95/198,737.32 = 39,030.55/x
  3. Step 3: Cross multiply
    132,536.95x = 198,737.32 × 39,030.55
  4. Step 4: Simplify right side
    132,536.95x = 7,756,826,905.13
  5. Step 5: Solve for x
    x = 7,756,826,905.13/132,536.95
  6. Step 6: Final answer
    x = 58,525.77

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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.