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Finding the Fourth Proportional to 207,019.70, 310,308.08 and 107,079.27

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Solution

The fourth proportional to 207,019.70, 310,308.08 and 107,079.27 is: 160,504.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,019.70 : 310,308.08 = 107,079.27 : x
  2. Step 2: Convert to fraction form
    207,019.70/310,308.08 = 107,079.27/x
  3. Step 3: Cross multiply
    207,019.70x = 310,308.08 × 107,079.27
  4. Step 4: Simplify right side
    207,019.70x = 33,227,562,146.11
  5. Step 5: Solve for x
    x = 33,227,562,146.11/207,019.70
  6. Step 6: Final answer
    x = 160,504.35

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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.