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Finding the Fourth Proportional to 187,366.77, 258,559.59 and 106,820.23

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Solution

The fourth proportional to 187,366.77, 258,559.59 and 106,820.23 is: 147,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,366.77 : 258,559.59 = 106,820.23 : x
  2. Step 2: Convert to fraction form
    187,366.77/258,559.59 = 106,820.23/x
  3. Step 3: Cross multiply
    187,366.77x = 258,559.59 × 106,820.23
  4. Step 4: Simplify right side
    187,366.77x = 27,619,394,872.51
  5. Step 5: Solve for x
    x = 27,619,394,872.51/187,366.77
  6. Step 6: Final answer
    x = 147,408.18

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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.