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Finding the Fourth Proportional to 74,860.59, 103,307.63 and 41,326.59

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Solution

The fourth proportional to 74,860.59, 103,307.63 and 41,326.59 is: 57,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860.59 : 103,307.63 = 41,326.59 : x
  2. Step 2: Convert to fraction form
    74,860.59/103,307.63 = 41,326.59/x
  3. Step 3: Cross multiply
    74,860.59x = 103,307.63 × 41,326.59
  4. Step 4: Simplify right side
    74,860.59x = 4,269,351,552.34
  5. Step 5: Solve for x
    x = 4,269,351,552.34/74,860.59
  6. Step 6: Final answer
    x = 57,030.70

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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.