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Finding the Fourth Proportional to 114,655.05, 171,974.48 and 39,757.05

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Solution

The fourth proportional to 114,655.05, 171,974.48 and 39,757.05 is: 59,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,655.05 : 171,974.48 = 39,757.05 : x
  2. Step 2: Convert to fraction form
    114,655.05/171,974.48 = 39,757.05/x
  3. Step 3: Cross multiply
    114,655.05x = 171,974.48 × 39,757.05
  4. Step 4: Simplify right side
    114,655.05x = 6,837,197,801.30
  5. Step 5: Solve for x
    x = 6,837,197,801.30/114,655.05
  6. Step 6: Final answer
    x = 59,632.77

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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.