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Finding the Fourth Proportional to 158,411.57, 218,607.93 and 94,764.33

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Solution

The fourth proportional to 158,411.57, 218,607.93 and 94,764.33 is: 130,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,411.57 : 218,607.93 = 94,764.33 : x
  2. Step 2: Convert to fraction form
    158,411.57/218,607.93 = 94,764.33/x
  3. Step 3: Cross multiply
    158,411.57x = 218,607.93 × 94,764.33
  4. Step 4: Simplify right side
    158,411.57x = 20,716,234,019.14
  5. Step 5: Solve for x
    x = 20,716,234,019.14/158,411.57
  6. Step 6: Final answer
    x = 130,774.76

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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.