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Finding the Fourth Proportional to 114,161.50, 157,581.73 and 66,454.94

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Solution

The fourth proportional to 114,161.50, 157,581.73 and 66,454.94 is: 91,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,161.50 : 157,581.73 = 66,454.94 : x
  2. Step 2: Convert to fraction form
    114,161.50/157,581.73 = 66,454.94/x
  3. Step 3: Cross multiply
    114,161.50x = 157,581.73 × 66,454.94
  4. Step 4: Simplify right side
    114,161.50x = 10,472,084,412.25
  5. Step 5: Solve for x
    x = 10,472,084,412.25/114,161.50
  6. Step 6: Final answer
    x = 91,730.44

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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.