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Finding the Fourth Proportional to 74,776, 103,193.04 and 41,244.16

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Solution

The fourth proportional to 74,776, 103,193.04 and 41,244.16 is: 56,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776 : 103,193.04 = 41,244.16 : x
  2. Step 2: Convert to fraction form
    74,776/103,193.04 = 41,244.16/x
  3. Step 3: Cross multiply
    74,776x = 103,193.04 × 41,244.16
  4. Step 4: Simplify right side
    74,776x = 4,256,110,252.65
  5. Step 5: Solve for x
    x = 4,256,110,252.65/74,776
  6. Step 6: Final answer
    x = 56,918.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.