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Finding the Fourth Proportional to 232,390.95, 320,626.41 and 130,401.42

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Solution

The fourth proportional to 232,390.95, 320,626.41 and 130,401.42 is: 179,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,390.95 : 320,626.41 = 130,401.42 : x
  2. Step 2: Convert to fraction form
    232,390.95/320,626.41 = 130,401.42/x
  3. Step 3: Cross multiply
    232,390.95x = 320,626.41 × 130,401.42
  4. Step 4: Simplify right side
    232,390.95x = 41,810,139,153.50
  5. Step 5: Solve for x
    x = 41,810,139,153.50/232,390.95
  6. Step 6: Final answer
    x = 179,912.94

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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.