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Finding the Fourth Proportional to 68,156.44, 102,284.34 and 34,904.32

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Solution

The fourth proportional to 68,156.44, 102,284.34 and 34,904.32 is: 52,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,156.44 : 102,284.34 = 34,904.32 : x
  2. Step 2: Convert to fraction form
    68,156.44/102,284.34 = 34,904.32/x
  3. Step 3: Cross multiply
    68,156.44x = 102,284.34 × 34,904.32
  4. Step 4: Simplify right side
    68,156.44x = 3,570,165,334.35
  5. Step 5: Solve for x
    x = 3,570,165,334.35/68,156.44
  6. Step 6: Final answer
    x = 52,381.92

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1.5x scale

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.