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Finding the Fourth Proportional to 206,955.36, 310,275.59 and 107,051.94

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Solution

The fourth proportional to 206,955.36, 310,275.59 and 107,051.94 is: 160,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,955.36 : 310,275.59 = 107,051.94 : x
  2. Step 2: Convert to fraction form
    206,955.36/310,275.59 = 107,051.94/x
  3. Step 3: Cross multiply
    206,955.36x = 310,275.59 × 107,051.94
  4. Step 4: Simplify right side
    206,955.36x = 33,215,603,308.88
  5. Step 5: Solve for x
    x = 33,215,603,308.88/206,955.36
  6. Step 6: Final answer
    x = 160,496.46

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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.