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Finding the Fourth Proportional to 207,265.70, 310,461.15 and 185,104.10

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Solution

The fourth proportional to 207,265.70, 310,461.15 and 185,104.10 is: 277,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,265.70 : 310,461.15 = 185,104.10 : x
  2. Step 2: Convert to fraction form
    207,265.70/310,461.15 = 185,104.10/x
  3. Step 3: Cross multiply
    207,265.70x = 310,461.15 × 185,104.10
  4. Step 4: Simplify right side
    207,265.70x = 57,467,631,755.72
  5. Step 5: Solve for x
    x = 57,467,631,755.72/207,265.70
  6. Step 6: Final answer
    x = 277,265.52

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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.