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Finding the Fourth Proportional to 114,655.55, 171,975.23 and 39,757.55

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Solution

The fourth proportional to 114,655.55, 171,975.23 and 39,757.55 is: 59,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,655.55 : 171,975.23 = 39,757.55 : x
  2. Step 2: Convert to fraction form
    114,655.55/171,975.23 = 39,757.55/x
  3. Step 3: Cross multiply
    114,655.55x = 171,975.23 × 39,757.55
  4. Step 4: Simplify right side
    114,655.55x = 6,837,313,606.70
  5. Step 5: Solve for x
    x = 6,837,313,606.70/114,655.55
  6. Step 6: Final answer
    x = 59,633.52

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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.