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Finding the Fourth Proportional to 84,803.51, 127,205.25 and 49,724.03

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Solution

The fourth proportional to 84,803.51, 127,205.25 and 49,724.03 is: 74,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,803.51 : 127,205.25 = 49,724.03 : x
  2. Step 2: Convert to fraction form
    84,803.51/127,205.25 = 49,724.03/x
  3. Step 3: Cross multiply
    84,803.51x = 127,205.25 × 49,724.03
  4. Step 4: Simplify right side
    84,803.51x = 6,325,157,667.16
  5. Step 5: Solve for x
    x = 6,325,157,667.16/84,803.51
  6. Step 6: Final answer
    x = 74,586.04

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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.