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Finding the Fourth Proportional to 104,683.92, 144,416.16 and 62,218.32

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Solution

The fourth proportional to 104,683.92, 144,416.16 and 62,218.32 is: 85,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,683.92 : 144,416.16 = 62,218.32 : x
  2. Step 2: Convert to fraction form
    104,683.92/144,416.16 = 62,218.32/x
  3. Step 3: Cross multiply
    104,683.92x = 144,416.16 × 62,218.32
  4. Step 4: Simplify right side
    104,683.92x = 8,985,330,856.05
  5. Step 5: Solve for x
    x = 8,985,330,856.05/104,683.92
  6. Step 6: Final answer
    x = 85,832.96

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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.