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Finding the Fourth Proportional to 207,501.60, 286,348.44 and 116,857.20

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Solution

The fourth proportional to 207,501.60, 286,348.44 and 116,857.20 is: 161,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,501.60 : 286,348.44 = 116,857.20 : x
  2. Step 2: Convert to fraction form
    207,501.60/286,348.44 = 116,857.20/x
  3. Step 3: Cross multiply
    207,501.60x = 286,348.44 × 116,857.20
  4. Step 4: Simplify right side
    207,501.60x = 33,461,876,922.77
  5. Step 5: Solve for x
    x = 33,461,876,922.77/207,501.60
  6. Step 6: Final answer
    x = 161,260.81

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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.