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Finding the Fourth Proportional to 68,349.60, 94,182.48 and 50,416.20

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Solution

The fourth proportional to 68,349.60, 94,182.48 and 50,416.20 is: 69,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349.60 : 94,182.48 = 50,416.20 : x
  2. Step 2: Convert to fraction form
    68,349.60/94,182.48 = 50,416.20/x
  3. Step 3: Cross multiply
    68,349.60x = 94,182.48 × 50,416.20
  4. Step 4: Simplify right side
    68,349.60x = 4,748,322,748.18
  5. Step 5: Solve for x
    x = 4,748,322,748.18/68,349.60
  6. Step 6: Final answer
    x = 69,471.11

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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.