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Finding the Fourth Proportional to 189,099.60, 283,649.40 and 95,787.60

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Solution

The fourth proportional to 189,099.60, 283,649.40 and 95,787.60 is: 143,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,099.60 : 283,649.40 = 95,787.60 : x
  2. Step 2: Convert to fraction form
    189,099.60/283,649.40 = 95,787.60/x
  3. Step 3: Cross multiply
    189,099.60x = 283,649.40 × 95,787.60
  4. Step 4: Simplify right side
    189,099.60x = 27,170,095,267.44
  5. Step 5: Solve for x
    x = 27,170,095,267.44/189,099.60
  6. Step 6: Final answer
    x = 143,681.40

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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.