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Finding the Fourth Proportional to 91,853.44, 137,788.88 and 35,697.89

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Solution

The fourth proportional to 91,853.44, 137,788.88 and 35,697.89 is: 53,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.44 : 137,788.88 = 35,697.89 : x
  2. Step 2: Convert to fraction form
    91,853.44/137,788.88 = 35,697.89/x
  3. Step 3: Cross multiply
    91,853.44x = 137,788.88 × 35,697.89
  4. Step 4: Simplify right side
    91,853.44x = 4,918,772,281.46
  5. Step 5: Solve for x
    x = 4,918,772,281.46/91,853.44
  6. Step 6: Final answer
    x = 53,550.22

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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.