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Finding the Fourth Proportional to 104,728.92, 157,069.71 and 29,847.47

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Solution

The fourth proportional to 104,728.92, 157,069.71 and 29,847.47 is: 44,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.92 : 157,069.71 = 29,847.47 : x
  2. Step 2: Convert to fraction form
    104,728.92/157,069.71 = 29,847.47/x
  3. Step 3: Cross multiply
    104,728.92x = 157,069.71 × 29,847.47
  4. Step 4: Simplify right side
    104,728.92x = 4,688,132,671.79
  5. Step 5: Solve for x
    x = 4,688,132,671.79/104,728.92
  6. Step 6: Final answer
    x = 44,764.45

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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.