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Finding the Fourth Proportional to 207,269.40, 310,904.10 and 74,160.09

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Solution

The fourth proportional to 207,269.40, 310,904.10 and 74,160.09 is: 111,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,269.40 : 310,904.10 = 74,160.09 : x
  2. Step 2: Convert to fraction form
    207,269.40/310,904.10 = 74,160.09/x
  3. Step 3: Cross multiply
    207,269.40x = 310,904.10 × 74,160.09
  4. Step 4: Simplify right side
    207,269.40x = 23,056,676,037.37
  5. Step 5: Solve for x
    x = 23,056,676,037.37/207,269.40
  6. Step 6: Final answer
    x = 111,240.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.