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Finding the Fourth Proportional to 158,574.51, 218,826.36 and 94,874.49

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Solution

The fourth proportional to 158,574.51, 218,826.36 and 94,874.49 is: 130,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,574.51 : 218,826.36 = 94,874.49 : x
  2. Step 2: Convert to fraction form
    158,574.51/218,826.36 = 94,874.49/x
  3. Step 3: Cross multiply
    158,574.51x = 218,826.36 × 94,874.49
  4. Step 4: Simplify right side
    158,574.51x = 20,761,039,303.56
  5. Step 5: Solve for x
    x = 20,761,039,303.56/158,574.51
  6. Step 6: Final answer
    x = 130,922.93

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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.