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Finding the Fourth Proportional to 207,081.30, 310,621.95 and 183,461.70

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Solution

The fourth proportional to 207,081.30, 310,621.95 and 183,461.70 is: 275,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,081.30 : 310,621.95 = 183,461.70 : x
  2. Step 2: Convert to fraction form
    207,081.30/310,621.95 = 183,461.70/x
  3. Step 3: Cross multiply
    207,081.30x = 310,621.95 × 183,461.70
  4. Step 4: Simplify right side
    207,081.30x = 56,987,231,004.32
  5. Step 5: Solve for x
    x = 56,987,231,004.32/207,081.30
  6. Step 6: Final answer
    x = 275,192.55

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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.