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Finding the Fourth Proportional to 207,094.36, 310,235.57 and 107,320

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Solution

The fourth proportional to 207,094.36, 310,235.57 and 107,320 is: 160,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,094.36 : 310,235.57 = 107,320 : x
  2. Step 2: Convert to fraction form
    207,094.36/310,235.57 = 107,320/x
  3. Step 3: Cross multiply
    207,094.36x = 310,235.57 × 107,320
  4. Step 4: Simplify right side
    207,094.36x = 33,294,480,835.80
  5. Step 5: Solve for x
    x = 33,294,480,835.80/207,094.36
  6. Step 6: Final answer
    x = 160,769.62

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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.