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Finding the Fourth Proportional to 243,683.92, 336,355.32 and 141,733.36

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Solution

The fourth proportional to 243,683.92, 336,355.32 and 141,733.36 is: 195,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,683.92 : 336,355.32 = 141,733.36 : x
  2. Step 2: Convert to fraction form
    243,683.92/336,355.32 = 141,733.36/x
  3. Step 3: Cross multiply
    243,683.92x = 336,355.32 × 141,733.36
  4. Step 4: Simplify right side
    243,683.92x = 47,672,769,657.48
  5. Step 5: Solve for x
    x = 47,672,769,657.48/243,683.92
  6. Step 6: Final answer
    x = 195,633.63

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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.