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Finding the Fourth Proportional to 71,048.71, 106,302.41 and 63,175.51

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Solution

The fourth proportional to 71,048.71, 106,302.41 and 63,175.51 is: 94,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,048.71 : 106,302.41 = 63,175.51 : x
  2. Step 2: Convert to fraction form
    71,048.71/106,302.41 = 63,175.51/x
  3. Step 3: Cross multiply
    71,048.71x = 106,302.41 × 63,175.51
  4. Step 4: Simplify right side
    71,048.71x = 6,715,709,019.89
  5. Step 5: Solve for x
    x = 6,715,709,019.89/71,048.71
  6. Step 6: Final answer
    x = 94,522.60

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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.