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Finding the Fourth Proportional to 177,368.82, 265,822.19 and 72,064.68

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Solution

The fourth proportional to 177,368.82, 265,822.19 and 72,064.68 is: 108,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,368.82 : 265,822.19 = 72,064.68 : x
  2. Step 2: Convert to fraction form
    177,368.82/265,822.19 = 72,064.68/x
  3. Step 3: Cross multiply
    177,368.82x = 265,822.19 × 72,064.68
  4. Step 4: Simplify right side
    177,368.82x = 19,156,389,369.81
  5. Step 5: Solve for x
    x = 19,156,389,369.81/177,368.82
  6. Step 6: Final answer
    x = 108,003.14

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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.