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Finding the Fourth Proportional to 232,030.54, 320,202.75 and 131,428.54

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Solution

The fourth proportional to 232,030.54, 320,202.75 and 131,428.54 is: 181,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,030.54 : 320,202.75 = 131,428.54 : x
  2. Step 2: Convert to fraction form
    232,030.54/320,202.75 = 131,428.54/x
  3. Step 3: Cross multiply
    232,030.54x = 320,202.75 × 131,428.54
  4. Step 4: Simplify right side
    232,030.54x = 42,083,779,936.49
  5. Step 5: Solve for x
    x = 42,083,779,936.49/232,030.54
  6. Step 6: Final answer
    x = 181,371.73

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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.