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Finding the Fourth Proportional to 97,907.74, 135,155.38 and 62,152.72

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Solution

The fourth proportional to 97,907.74, 135,155.38 and 62,152.72 is: 85,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,907.74 : 135,155.38 = 62,152.72 : x
  2. Step 2: Convert to fraction form
    97,907.74/135,155.38 = 62,152.72/x
  3. Step 3: Cross multiply
    97,907.74x = 135,155.38 × 62,152.72
  4. Step 4: Simplify right side
    97,907.74x = 8,400,274,489.63
  5. Step 5: Solve for x
    x = 8,400,274,489.63/97,907.74
  6. Step 6: Final answer
    x = 85,797.86

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