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Finding the Fourth Proportional to 158,607.04, 237,930 and 74,323.84

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Solution

The fourth proportional to 158,607.04, 237,930 and 74,323.84 is: 111,494.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,607.04 : 237,930 = 74,323.84 : x
  2. Step 2: Convert to fraction form
    158,607.04/237,930 = 74,323.84/x
  3. Step 3: Cross multiply
    158,607.04x = 237,930 × 74,323.84
  4. Step 4: Simplify right side
    158,607.04x = 17,683,871,251.20
  5. Step 5: Solve for x
    x = 17,683,871,251.20/158,607.04
  6. Step 6: Final answer
    x = 111,494.87

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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.