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Finding the Fourth Proportional to 187,603.83, 258,906.92 and 107,033.13

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Solution

The fourth proportional to 187,603.83, 258,906.92 and 107,033.13 is: 147,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,603.83 : 258,906.92 = 107,033.13 : x
  2. Step 2: Convert to fraction form
    187,603.83/258,906.92 = 107,033.13/x
  3. Step 3: Cross multiply
    187,603.83x = 258,906.92 × 107,033.13
  4. Step 4: Simplify right side
    187,603.83x = 27,711,617,491.09
  5. Step 5: Solve for x
    x = 27,711,617,491.09/187,603.83
  6. Step 6: Final answer
    x = 147,713.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.