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Finding the Fourth Proportional to 114,284.80, 171,438.47 and 39,395.08

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Solution

The fourth proportional to 114,284.80, 171,438.47 and 39,395.08 is: 59,096.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,284.80 : 171,438.47 = 39,395.08 : x
  2. Step 2: Convert to fraction form
    114,284.80/171,438.47 = 39,395.08/x
  3. Step 3: Cross multiply
    114,284.80x = 171,438.47 × 39,395.08
  4. Step 4: Simplify right side
    114,284.80x = 6,753,832,943.35
  5. Step 5: Solve for x
    x = 6,753,832,943.35/114,284.80
  6. Step 6: Final answer
    x = 59,096.51

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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.