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Finding the Fourth Proportional to 72,526.50, 100,086.60 and 44,238.06

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Solution

The fourth proportional to 72,526.50, 100,086.60 and 44,238.06 is: 61,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.50 : 100,086.60 = 44,238.06 : x
  2. Step 2: Convert to fraction form
    72,526.50/100,086.60 = 44,238.06/x
  3. Step 3: Cross multiply
    72,526.50x = 100,086.60 × 44,238.06
  4. Step 4: Simplify right side
    72,526.50x = 4,427,637,016.00
  5. Step 5: Solve for x
    x = 4,427,637,016.00/72,526.50
  6. Step 6: Final answer
    x = 61,048.54

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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.