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Finding the Fourth Proportional to 88,671.60, 133,027.20 and 29,505.60

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Solution

The fourth proportional to 88,671.60, 133,027.20 and 29,505.60 is: 44,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.60 : 133,027.20 = 29,505.60 : x
  2. Step 2: Convert to fraction form
    88,671.60/133,027.20 = 29,505.60/x
  3. Step 3: Cross multiply
    88,671.60x = 133,027.20 × 29,505.60
  4. Step 4: Simplify right side
    88,671.60x = 3,925,047,352.32
  5. Step 5: Solve for x
    x = 3,925,047,352.32/88,671.60
  6. Step 6: Final answer
    x = 44,264.99

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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.