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Finding the Fourth Proportional to 207,046.26, 310,642.29 and 101,939.04

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Solution

The fourth proportional to 207,046.26, 310,642.29 and 101,939.04 is: 152,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,046.26 : 310,642.29 = 101,939.04 : x
  2. Step 2: Convert to fraction form
    207,046.26/310,642.29 = 101,939.04/x
  3. Step 3: Cross multiply
    207,046.26x = 310,642.29 × 101,939.04
  4. Step 4: Simplify right side
    207,046.26x = 31,666,576,826.00
  5. Step 5: Solve for x
    x = 31,666,576,826.00/207,046.26
  6. Step 6: Final answer
    x = 152,944.45

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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.