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Finding the Fourth Proportional to 178,809.48, 268,047.48 and 60,398.01

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Solution

The fourth proportional to 178,809.48, 268,047.48 and 60,398.01 is: 90,540.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,809.48 : 268,047.48 = 60,398.01 : x
  2. Step 2: Convert to fraction form
    178,809.48/268,047.48 = 60,398.01/x
  3. Step 3: Cross multiply
    178,809.48x = 268,047.48 × 60,398.01
  4. Step 4: Simplify right side
    178,809.48x = 16,189,534,377.51
  5. Step 5: Solve for x
    x = 16,189,534,377.51/178,809.48
  6. Step 6: Final answer
    x = 90,540.69

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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.