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Finding the Fourth Proportional to 114,404.32, 157,893.42 and 66,672.64

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Solution

The fourth proportional to 114,404.32, 157,893.42 and 66,672.64 is: 92,017.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,404.32 : 157,893.42 = 66,672.64 : x
  2. Step 2: Convert to fraction form
    114,404.32/157,893.42 = 66,672.64/x
  3. Step 3: Cross multiply
    114,404.32x = 157,893.42 × 66,672.64
  4. Step 4: Simplify right side
    114,404.32x = 10,527,171,150.03
  5. Step 5: Solve for x
    x = 10,527,171,150.03/114,404.32
  6. Step 6: Final answer
    x = 92,017.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.