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Finding the Fourth Proportional to 75,068.50, 103,597.77 and 41,534.50

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Solution

The fourth proportional to 75,068.50, 103,597.77 and 41,534.50 is: 57,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,068.50 : 103,597.77 = 41,534.50 : x
  2. Step 2: Convert to fraction form
    75,068.50/103,597.77 = 41,534.50/x
  3. Step 3: Cross multiply
    75,068.50x = 103,597.77 × 41,534.50
  4. Step 4: Simplify right side
    75,068.50x = 4,302,881,578.07
  5. Step 5: Solve for x
    x = 4,302,881,578.07/75,068.50
  6. Step 6: Final answer
    x = 57,319.40

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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.