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Finding the Fourth Proportional to 114,058.80, 157,376.52 and 66,287.70

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Solution

The fourth proportional to 114,058.80, 157,376.52 and 66,287.70 is: 91,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,058.80 : 157,376.52 = 66,287.70 : x
  2. Step 2: Convert to fraction form
    114,058.80/157,376.52 = 66,287.70/x
  3. Step 3: Cross multiply
    114,058.80x = 157,376.52 × 66,287.70
  4. Step 4: Simplify right side
    114,058.80x = 10,432,127,544.80
  5. Step 5: Solve for x
    x = 10,432,127,544.80/114,058.80
  6. Step 6: Final answer
    x = 91,462.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.