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Finding the Fourth Proportional to 183,133.65, 274,643.97 and 64,777.77

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Solution

The fourth proportional to 183,133.65, 274,643.97 and 64,777.77 is: 97,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,133.65 : 274,643.97 = 64,777.77 : x
  2. Step 2: Convert to fraction form
    183,133.65/274,643.97 = 64,777.77/x
  3. Step 3: Cross multiply
    183,133.65x = 274,643.97 × 64,777.77
  4. Step 4: Simplify right side
    183,133.65x = 17,790,823,677.63
  5. Step 5: Solve for x
    x = 17,790,823,677.63/183,133.65
  6. Step 6: Final answer
    x = 97,146.66

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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.