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Finding the Fourth Proportional to 232,428.52, 320,735.46 and 130,441.96

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Solution

The fourth proportional to 232,428.52, 320,735.46 and 130,441.96 is: 180,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,428.52 : 320,735.46 = 130,441.96 : x
  2. Step 2: Convert to fraction form
    232,428.52/320,735.46 = 130,441.96/x
  3. Step 3: Cross multiply
    232,428.52x = 320,735.46 × 130,441.96
  4. Step 4: Simplify right side
    232,428.52x = 41,837,362,043.90
  5. Step 5: Solve for x
    x = 41,837,362,043.90/232,428.52
  6. Step 6: Final answer
    x = 180,000.98

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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.