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Finding the Fourth Proportional to 66,474.51, 99,477.68 and 41,526.27

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Solution

The fourth proportional to 66,474.51, 99,477.68 and 41,526.27 is: 62,143.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,474.51 : 99,477.68 = 41,526.27 : x
  2. Step 2: Convert to fraction form
    66,474.51/99,477.68 = 41,526.27/x
  3. Step 3: Cross multiply
    66,474.51x = 99,477.68 × 41,526.27
  4. Step 4: Simplify right side
    66,474.51x = 4,130,936,791.02
  5. Step 5: Solve for x
    x = 4,130,936,791.02/66,474.51
  6. Step 6: Final answer
    x = 62,143.17

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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.