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Finding the Fourth Proportional to 207,263.60, 310,434.60 and 179,615.60

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Solution

The fourth proportional to 207,263.60, 310,434.60 and 179,615.60 is: 269,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,263.60 : 310,434.60 = 179,615.60 : x
  2. Step 2: Convert to fraction form
    207,263.60/310,434.60 = 179,615.60/x
  3. Step 3: Cross multiply
    207,263.60x = 310,434.60 × 179,615.60
  4. Step 4: Simplify right side
    207,263.60x = 55,758,896,939.76
  5. Step 5: Solve for x
    x = 55,758,896,939.76/207,263.60
  6. Step 6: Final answer
    x = 269,024.07

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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.