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Finding the Fourth Proportional to 376,057.07, 564,030.21 and 123,364.26

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Solution

The fourth proportional to 376,057.07, 564,030.21 and 123,364.26 is: 185,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,057.07 : 564,030.21 = 123,364.26 : x
  2. Step 2: Convert to fraction form
    376,057.07/564,030.21 = 123,364.26/x
  3. Step 3: Cross multiply
    376,057.07x = 564,030.21 × 123,364.26
  4. Step 4: Simplify right side
    376,057.07x = 69,581,169,474.29
  5. Step 5: Solve for x
    x = 69,581,169,474.29/376,057.07
  6. Step 6: Final answer
    x = 185,028.22

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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.