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Finding the Fourth Proportional to 114,313.83, 157,755.69 and 66,549.75

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Solution

The fourth proportional to 114,313.83, 157,755.69 and 66,549.75 is: 91,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,313.83 : 157,755.69 = 66,549.75 : x
  2. Step 2: Convert to fraction form
    114,313.83/157,755.69 = 66,549.75/x
  3. Step 3: Cross multiply
    114,313.83x = 157,755.69 × 66,549.75
  4. Step 4: Simplify right side
    114,313.83x = 10,498,601,730.58
  5. Step 5: Solve for x
    x = 10,498,601,730.58/114,313.83
  6. Step 6: Final answer
    x = 91,840.17

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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.