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Finding the Fourth Proportional to 74,798.17, 103,186.71 and 44,566.54

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Solution

The fourth proportional to 74,798.17, 103,186.71 and 44,566.54 is: 61,481.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,798.17 : 103,186.71 = 44,566.54 : x
  2. Step 2: Convert to fraction form
    74,798.17/103,186.71 = 44,566.54/x
  3. Step 3: Cross multiply
    74,798.17x = 103,186.71 × 44,566.54
  4. Step 4: Simplify right side
    74,798.17x = 4,598,674,638.68
  5. Step 5: Solve for x
    x = 4,598,674,638.68/74,798.17
  6. Step 6: Final answer
    x = 61,481.11

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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.