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Finding the Fourth Proportional to 72,833.96, 100,504.02 and 53,724.14

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Solution

The fourth proportional to 72,833.96, 100,504.02 and 53,724.14 is: 74,134.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,833.96 : 100,504.02 = 53,724.14 : x
  2. Step 2: Convert to fraction form
    72,833.96/100,504.02 = 53,724.14/x
  3. Step 3: Cross multiply
    72,833.96x = 100,504.02 × 53,724.14
  4. Step 4: Simplify right side
    72,833.96x = 5,399,492,041.04
  5. Step 5: Solve for x
    x = 5,399,492,041.04/72,833.96
  6. Step 6: Final answer
    x = 74,134.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.