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Finding the Fourth Proportional to 189,102.88, 283,683.48 and 56,003.68

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Solution

The fourth proportional to 189,102.88, 283,683.48 and 56,003.68 is: 84,014.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,102.88 : 283,683.48 = 56,003.68 : x
  2. Step 2: Convert to fraction form
    189,102.88/283,683.48 = 56,003.68/x
  3. Step 3: Cross multiply
    189,102.88x = 283,683.48 × 56,003.68
  4. Step 4: Simplify right side
    189,102.88x = 15,887,318,835.21
  5. Step 5: Solve for x
    x = 15,887,318,835.21/189,102.88
  6. Step 6: Final answer
    x = 84,014.16

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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.