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Finding the Fourth Proportional to 207,519.63, 310,780.44 and 118,503.33

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Solution

The fourth proportional to 207,519.63, 310,780.44 and 118,503.33 is: 177,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,519.63 : 310,780.44 = 118,503.33 : x
  2. Step 2: Convert to fraction form
    207,519.63/310,780.44 = 118,503.33/x
  3. Step 3: Cross multiply
    207,519.63x = 310,780.44 × 118,503.33
  4. Step 4: Simplify right side
    207,519.63x = 36,828,517,038.87
  5. Step 5: Solve for x
    x = 36,828,517,038.87/207,519.63
  6. Step 6: Final answer
    x = 177,470.04

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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.