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Finding the Fourth Proportional to 114,216.63, 157,690.43 and 73,397.31

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Solution

The fourth proportional to 114,216.63, 157,690.43 and 73,397.31 is: 101,334.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,216.63 : 157,690.43 = 73,397.31 : x
  2. Step 2: Convert to fraction form
    114,216.63/157,690.43 = 73,397.31/x
  3. Step 3: Cross multiply
    114,216.63x = 157,690.43 × 73,397.31
  4. Step 4: Simplify right side
    114,216.63x = 11,574,053,374.74
  5. Step 5: Solve for x
    x = 11,574,053,374.74/114,216.63
  6. Step 6: Final answer
    x = 101,334.22

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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.