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Finding the Fourth Proportional to 147,074, 220,683.90 and 58,325.54

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Solution

The fourth proportional to 147,074, 220,683.90 and 58,325.54 is: 87,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,074 : 220,683.90 = 58,325.54 : x
  2. Step 2: Convert to fraction form
    147,074/220,683.90 = 58,325.54/x
  3. Step 3: Cross multiply
    147,074x = 220,683.90 × 58,325.54
  4. Step 4: Simplify right side
    147,074x = 12,871,507,636.81
  5. Step 5: Solve for x
    x = 12,871,507,636.81/147,074
  6. Step 6: Final answer
    x = 87,517.22

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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.