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Finding the Fourth Proportional to 251,586.09, 377,299.17 and 83,075.01

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Solution

The fourth proportional to 251,586.09, 377,299.17 and 83,075.01 is: 124,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,586.09 : 377,299.17 = 83,075.01 : x
  2. Step 2: Convert to fraction form
    251,586.09/377,299.17 = 83,075.01/x
  3. Step 3: Cross multiply
    251,586.09x = 377,299.17 × 83,075.01
  4. Step 4: Simplify right side
    251,586.09x = 31,344,130,905.87
  5. Step 5: Solve for x
    x = 31,344,130,905.87/251,586.09
  6. Step 6: Final answer
    x = 124,586.10

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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.