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Finding the Fourth Proportional to 504,118.68, 756,158.40 and 125,040.36

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Solution

The fourth proportional to 504,118.68, 756,158.40 and 125,040.36 is: 187,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,118.68 : 756,158.40 = 125,040.36 : x
  2. Step 2: Convert to fraction form
    504,118.68/756,158.40 = 125,040.36/x
  3. Step 3: Cross multiply
    504,118.68x = 756,158.40 × 125,040.36
  4. Step 4: Simplify right side
    504,118.68x = 94,550,318,553.02
  5. Step 5: Solve for x
    x = 94,550,318,553.02/504,118.68
  6. Step 6: Final answer
    x = 187,555.67

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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.