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Finding the Fourth Proportional to 252,986.50, 379,423.84 and 73,032.81

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Solution

The fourth proportional to 252,986.50, 379,423.84 and 73,032.81 is: 109,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,986.50 : 379,423.84 = 73,032.81 : x
  2. Step 2: Convert to fraction form
    252,986.50/379,423.84 = 73,032.81/x
  3. Step 3: Cross multiply
    252,986.50x = 379,423.84 × 73,032.81
  4. Step 4: Simplify right side
    252,986.50x = 27,710,388,851.03
  5. Step 5: Solve for x
    x = 27,710,388,851.03/252,986.50
  6. Step 6: Final answer
    x = 109,533.08

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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.