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Finding the Fourth Proportional to 134,493.86, 201,693.65 and 39,698.75

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Solution

The fourth proportional to 134,493.86, 201,693.65 and 39,698.75 is: 59,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,493.86 : 201,693.65 = 39,698.75 : x
  2. Step 2: Convert to fraction form
    134,493.86/201,693.65 = 39,698.75/x
  3. Step 3: Cross multiply
    134,493.86x = 201,693.65 × 39,698.75
  4. Step 4: Simplify right side
    134,493.86x = 8,006,986,093.68
  5. Step 5: Solve for x
    x = 8,006,986,093.68/134,493.86
  6. Step 6: Final answer
    x = 59,534.21

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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.