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Finding the Fourth Proportional to 283,075.26, 424,628.01 and 72,715.02

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Solution

The fourth proportional to 283,075.26, 424,628.01 and 72,715.02 is: 109,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,075.26 : 424,628.01 = 72,715.02 : x
  2. Step 2: Convert to fraction form
    283,075.26/424,628.01 = 72,715.02/x
  3. Step 3: Cross multiply
    283,075.26x = 424,628.01 × 72,715.02
  4. Step 4: Simplify right side
    283,075.26x = 30,876,834,239.71
  5. Step 5: Solve for x
    x = 30,876,834,239.71/283,075.26
  6. Step 6: Final answer
    x = 109,076.41

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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.