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Finding the Fourth Proportional to 114,057.64, 171,293.82 and 99,369.64

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Solution

The fourth proportional to 114,057.64, 171,293.82 and 99,369.64 is: 149,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,057.64 : 171,293.82 = 99,369.64 : x
  2. Step 2: Convert to fraction form
    114,057.64/171,293.82 = 99,369.64/x
  3. Step 3: Cross multiply
    114,057.64x = 171,293.82 × 99,369.64
  4. Step 4: Simplify right side
    114,057.64x = 17,021,405,227.62
  5. Step 5: Solve for x
    x = 17,021,405,227.62/114,057.64
  6. Step 6: Final answer
    x = 149,235.12

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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.