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Finding the Fourth Proportional to 104,533.72, 156,788.70 and 29,660.20

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Solution

The fourth proportional to 104,533.72, 156,788.70 and 29,660.20 is: 44,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,533.72 : 156,788.70 = 29,660.20 : x
  2. Step 2: Convert to fraction form
    104,533.72/156,788.70 = 29,660.20/x
  3. Step 3: Cross multiply
    104,533.72x = 156,788.70 × 29,660.20
  4. Step 4: Simplify right side
    104,533.72x = 4,650,384,199.74
  5. Step 5: Solve for x
    x = 4,650,384,199.74/104,533.72
  6. Step 6: Final answer
    x = 44,486.93

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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.