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Finding the Fourth Proportional to 164,644.77, 246,961.53 and 69,813.93

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Solution

The fourth proportional to 164,644.77, 246,961.53 and 69,813.93 is: 104,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,644.77 : 246,961.53 = 69,813.93 : x
  2. Step 2: Convert to fraction form
    164,644.77/246,961.53 = 69,813.93/x
  3. Step 3: Cross multiply
    164,644.77x = 246,961.53 × 69,813.93
  4. Step 4: Simplify right side
    164,644.77x = 17,241,354,968.11
  5. Step 5: Solve for x
    x = 17,241,354,968.11/164,644.77
  6. Step 6: Final answer
    x = 104,718.51

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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.