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Finding the Fourth Proportional to 189,599.81, 284,399.69 and 56,476.61

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Solution

The fourth proportional to 189,599.81, 284,399.69 and 56,476.61 is: 84,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,599.81 : 284,399.69 = 56,476.61 : x
  2. Step 2: Convert to fraction form
    189,599.81/284,399.69 = 56,476.61/x
  3. Step 3: Cross multiply
    189,599.81x = 284,399.69 × 56,476.61
  4. Step 4: Simplify right side
    189,599.81x = 16,061,928,671.87
  5. Step 5: Solve for x
    x = 16,061,928,671.87/189,599.81
  6. Step 6: Final answer
    x = 84,714.90

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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.