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Finding the Fourth Proportional to 72,526.48, 108,794.81 and 30,364.01

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Solution

The fourth proportional to 72,526.48, 108,794.81 and 30,364.01 is: 45,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.48 : 108,794.81 = 30,364.01 : x
  2. Step 2: Convert to fraction form
    72,526.48/108,794.81 = 30,364.01/x
  3. Step 3: Cross multiply
    72,526.48x = 108,794.81 × 30,364.01
  4. Step 4: Simplify right side
    72,526.48x = 3,303,446,002.99
  5. Step 5: Solve for x
    x = 3,303,446,002.99/72,526.48
  6. Step 6: Final answer
    x = 45,548.14

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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.