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Finding the Fourth Proportional to 68,167.35, 94,087.52 and 39,482.39

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Solution

The fourth proportional to 68,167.35, 94,087.52 and 39,482.39 is: 54,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.35 : 94,087.52 = 39,482.39 : x
  2. Step 2: Convert to fraction form
    68,167.35/94,087.52 = 39,482.39/x
  3. Step 3: Cross multiply
    68,167.35x = 94,087.52 × 39,482.39
  4. Step 4: Simplify right side
    68,167.35x = 3,714,800,158.77
  5. Step 5: Solve for x
    x = 3,714,800,158.77/68,167.35
  6. Step 6: Final answer
    x = 54,495.30

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1.5x scale

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.