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Finding the Fourth Proportional to 190,101.40, 284,921.70 and 84,808.60

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Solution

The fourth proportional to 190,101.40, 284,921.70 and 84,808.60 is: 127,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101.40 : 284,921.70 = 84,808.60 : x
  2. Step 2: Convert to fraction form
    190,101.40/284,921.70 = 84,808.60/x
  3. Step 3: Cross multiply
    190,101.40x = 284,921.70 × 84,808.60
  4. Step 4: Simplify right side
    190,101.40x = 24,163,810,486.62
  5. Step 5: Solve for x
    x = 24,163,810,486.62/190,101.40
  6. Step 6: Final answer
    x = 127,110.11

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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.