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Finding the Fourth Proportional to 114,387.68, 157,863.94 and 73,588.24

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Solution

The fourth proportional to 114,387.68, 157,863.94 and 73,588.24 is: 101,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,387.68 : 157,863.94 = 73,588.24 : x
  2. Step 2: Convert to fraction form
    114,387.68/157,863.94 = 73,588.24/x
  3. Step 3: Cross multiply
    114,387.68x = 157,863.94 × 73,588.24
  4. Step 4: Simplify right side
    114,387.68x = 11,616,929,504.07
  5. Step 5: Solve for x
    x = 11,616,929,504.07/114,387.68
  6. Step 6: Final answer
    x = 101,557.52

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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.