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Finding the Fourth Proportional to 114,039.36, 157,360.32 and 66,303.36

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Solution

The fourth proportional to 114,039.36, 157,360.32 and 66,303.36 is: 91,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,039.36 : 157,360.32 = 66,303.36 : x
  2. Step 2: Convert to fraction form
    114,039.36/157,360.32 = 66,303.36/x
  3. Step 3: Cross multiply
    114,039.36x = 157,360.32 × 66,303.36
  4. Step 4: Simplify right side
    114,039.36x = 10,433,517,946.68
  5. Step 5: Solve for x
    x = 10,433,517,946.68/114,039.36
  6. Step 6: Final answer
    x = 91,490.50

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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.