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Finding the Fourth Proportional to 207,194.94, 310,213.71 and 112,085.01

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Solution

The fourth proportional to 207,194.94, 310,213.71 and 112,085.01 is: 167,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,194.94 : 310,213.71 = 112,085.01 : x
  2. Step 2: Convert to fraction form
    207,194.94/310,213.71 = 112,085.01/x
  3. Step 3: Cross multiply
    207,194.94x = 310,213.71 × 112,085.01
  4. Step 4: Simplify right side
    207,194.94x = 34,770,306,787.49
  5. Step 5: Solve for x
    x = 34,770,306,787.49/207,194.94
  6. Step 6: Final answer
    x = 167,814.46

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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.