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Finding the Fourth Proportional to 177,368.89, 265,822.30 and 72,064.75

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Solution

The fourth proportional to 177,368.89, 265,822.30 and 72,064.75 is: 108,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,368.89 : 265,822.30 = 72,064.75 : x
  2. Step 2: Convert to fraction form
    177,368.89/265,822.30 = 72,064.75/x
  3. Step 3: Cross multiply
    177,368.89x = 265,822.30 × 72,064.75
  4. Step 4: Simplify right side
    177,368.89x = 19,156,417,593.93
  5. Step 5: Solve for x
    x = 19,156,417,593.93/177,368.89
  6. Step 6: Final answer
    x = 108,003.26

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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.