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Finding the Fourth Proportional to 134,410.52, 201,585.71 and 39,620.48

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Solution

The fourth proportional to 134,410.52, 201,585.71 and 39,620.48 is: 59,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,410.52 : 201,585.71 = 39,620.48 : x
  2. Step 2: Convert to fraction form
    134,410.52/201,585.71 = 39,620.48/x
  3. Step 3: Cross multiply
    134,410.52x = 201,585.71 × 39,620.48
  4. Step 4: Simplify right side
    134,410.52x = 7,986,921,682.46
  5. Step 5: Solve for x
    x = 7,986,921,682.46/134,410.52
  6. Step 6: Final answer
    x = 59,421.85

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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.