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Finding the Fourth Proportional to 84,803.01, 127,204.50 and 49,723.53

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Solution

The fourth proportional to 84,803.01, 127,204.50 and 49,723.53 is: 74,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,803.01 : 127,204.50 = 49,723.53 : x
  2. Step 2: Convert to fraction form
    84,803.01/127,204.50 = 49,723.53/x
  3. Step 3: Cross multiply
    84,803.01x = 127,204.50 × 49,723.53
  4. Step 4: Simplify right side
    84,803.01x = 6,325,056,771.89
  5. Step 5: Solve for x
    x = 6,325,056,771.89/84,803.01
  6. Step 6: Final answer
    x = 74,585.29

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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.