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Finding the Fourth Proportional to 114,434.15, 157,918.37 and 63,446.90

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Solution

The fourth proportional to 114,434.15, 157,918.37 and 63,446.90 is: 87,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,434.15 : 157,918.37 = 63,446.90 : x
  2. Step 2: Convert to fraction form
    114,434.15/157,918.37 = 63,446.90/x
  3. Step 3: Cross multiply
    114,434.15x = 157,918.37 × 63,446.90
  4. Step 4: Simplify right side
    114,434.15x = 10,019,431,029.55
  5. Step 5: Solve for x
    x = 10,019,431,029.55/114,434.15
  6. Step 6: Final answer
    x = 87,556.30

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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.