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Finding the Fourth Proportional to 232,495.92, 320,773.68 and 136,967.76

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Solution

The fourth proportional to 232,495.92, 320,773.68 and 136,967.76 is: 188,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,495.92 : 320,773.68 = 136,967.76 : x
  2. Step 2: Convert to fraction form
    232,495.92/320,773.68 = 136,967.76/x
  3. Step 3: Cross multiply
    232,495.92x = 320,773.68 × 136,967.76
  4. Step 4: Simplify right side
    232,495.92x = 43,935,652,416.56
  5. Step 5: Solve for x
    x = 43,935,652,416.56/232,495.92
  6. Step 6: Final answer
    x = 188,973.86

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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.