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Finding the Fourth Proportional to 274,360.88, 411,557.16 and 105,882.08

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Solution

The fourth proportional to 274,360.88, 411,557.16 and 105,882.08 is: 158,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,360.88 : 411,557.16 = 105,882.08 : x
  2. Step 2: Convert to fraction form
    274,360.88/411,557.16 = 105,882.08/x
  3. Step 3: Cross multiply
    274,360.88x = 411,557.16 × 105,882.08
  4. Step 4: Simplify right side
    274,360.88x = 43,576,528,139.69
  5. Step 5: Solve for x
    x = 43,576,528,139.69/274,360.88
  6. Step 6: Final answer
    x = 158,829.23

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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.