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Finding the Fourth Proportional to 207,597.54, 286,485.48 and 116,954.58

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Solution

The fourth proportional to 207,597.54, 286,485.48 and 116,954.58 is: 161,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,597.54 : 286,485.48 = 116,954.58 : x
  2. Step 2: Convert to fraction form
    207,597.54/286,485.48 = 116,954.58/x
  3. Step 3: Cross multiply
    207,597.54x = 286,485.48 × 116,954.58
  4. Step 4: Simplify right side
    207,597.54x = 33,505,788,989.50
  5. Step 5: Solve for x
    x = 33,505,788,989.50/207,597.54
  6. Step 6: Final answer
    x = 161,397.81

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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.