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Finding the Fourth Proportional to 207,048.70, 310,573.05 and 73,992.70

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Solution

The fourth proportional to 207,048.70, 310,573.05 and 73,992.70 is: 110,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,048.70 : 310,573.05 = 73,992.70 : x
  2. Step 2: Convert to fraction form
    207,048.70/310,573.05 = 73,992.70/x
  3. Step 3: Cross multiply
    207,048.70x = 310,573.05 × 73,992.70
  4. Step 4: Simplify right side
    207,048.70x = 22,980,138,516.74
  5. Step 5: Solve for x
    x = 22,980,138,516.74/207,048.70
  6. Step 6: Final answer
    x = 110,989.05

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1.5x scale

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.