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Finding the Fourth Proportional to 114,130.45, 171,055.46 and 64,105.39

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Solution

The fourth proportional to 114,130.45, 171,055.46 and 64,105.39 is: 96,079.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,130.45 : 171,055.46 = 64,105.39 : x
  2. Step 2: Convert to fraction form
    114,130.45/171,055.46 = 64,105.39/x
  3. Step 3: Cross multiply
    114,130.45x = 171,055.46 × 64,105.39
  4. Step 4: Simplify right side
    114,130.45x = 10,965,577,349.01
  5. Step 5: Solve for x
    x = 10,965,577,349.01/114,130.45
  6. Step 6: Final answer
    x = 96,079.33

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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.