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Finding the Fourth Proportional to 117,552.60, 162,224.47 and 66,563.95

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Solution

The fourth proportional to 117,552.60, 162,224.47 and 66,563.95 is: 91,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.60 : 162,224.47 = 66,563.95 : x
  2. Step 2: Convert to fraction form
    117,552.60/162,224.47 = 66,563.95/x
  3. Step 3: Cross multiply
    117,552.60x = 162,224.47 × 66,563.95
  4. Step 4: Simplify right side
    117,552.60x = 10,798,301,509.86
  5. Step 5: Solve for x
    x = 10,798,301,509.86/117,552.60
  6. Step 6: Final answer
    x = 91,859.32

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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.