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Finding the Fourth Proportional to 164,139.21, 246,110.40 and 79,733.16

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Solution

The fourth proportional to 164,139.21, 246,110.40 and 79,733.16 is: 119,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,139.21 : 246,110.40 = 79,733.16 : x
  2. Step 2: Convert to fraction form
    164,139.21/246,110.40 = 79,733.16/x
  3. Step 3: Cross multiply
    164,139.21x = 246,110.40 × 79,733.16
  4. Step 4: Simplify right side
    164,139.21x = 19,623,159,900.86
  5. Step 5: Solve for x
    x = 19,623,159,900.86/164,139.21
  6. Step 6: Final answer
    x = 119,551.93

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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.