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Finding the Fourth Proportional to 190,008.96, 284,975.70 and 55,088.88

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Solution

The fourth proportional to 190,008.96, 284,975.70 and 55,088.88 is: 82,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,008.96 : 284,975.70 = 55,088.88 : x
  2. Step 2: Convert to fraction form
    190,008.96/284,975.70 = 55,088.88/x
  3. Step 3: Cross multiply
    190,008.96x = 284,975.70 × 55,088.88
  4. Step 4: Simplify right side
    190,008.96x = 15,698,992,140.22
  5. Step 5: Solve for x
    x = 15,698,992,140.22/190,008.96
  6. Step 6: Final answer
    x = 82,622.38

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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.