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Finding the Fourth Proportional to 68,168.35, 94,088.90 and 39,483.39

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Solution

The fourth proportional to 68,168.35, 94,088.90 and 39,483.39 is: 54,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,168.35 : 94,088.90 = 39,483.39 : x
  2. Step 2: Convert to fraction form
    68,168.35/94,088.90 = 39,483.39/x
  3. Step 3: Cross multiply
    68,168.35x = 94,088.90 × 39,483.39
  4. Step 4: Simplify right side
    68,168.35x = 3,714,948,733.37
  5. Step 5: Solve for x
    x = 3,714,948,733.37/68,168.35
  6. Step 6: Final answer
    x = 54,496.68

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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.