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Finding the Fourth Proportional to 207,243.15, 310,864.70 and 57,483.44

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Solution

The fourth proportional to 207,243.15, 310,864.70 and 57,483.44 is: 86,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,243.15 : 310,864.70 = 57,483.44 : x
  2. Step 2: Convert to fraction form
    207,243.15/310,864.70 = 57,483.44/x
  3. Step 3: Cross multiply
    207,243.15x = 310,864.70 × 57,483.44
  4. Step 4: Simplify right side
    207,243.15x = 17,869,571,265.99
  5. Step 5: Solve for x
    x = 17,869,571,265.99/207,243.15
  6. Step 6: Final answer
    x = 86,225.15

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Why These Related Problems?

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