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Finding the Fourth Proportional to 68,214.01, 93,453.63 and 65,657.25

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Solution

The fourth proportional to 68,214.01, 93,453.63 and 65,657.25 is: 89,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,214.01 : 93,453.63 = 65,657.25 : x
  2. Step 2: Convert to fraction form
    68,214.01/93,453.63 = 65,657.25/x
  3. Step 3: Cross multiply
    68,214.01x = 93,453.63 × 65,657.25
  4. Step 4: Simplify right side
    68,214.01x = 6,135,908,348.32
  5. Step 5: Solve for x
    x = 6,135,908,348.32/68,214.01
  6. Step 6: Final answer
    x = 89,950.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.