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Finding the Fourth Proportional to 346,040.72, 519,137.98 and 106,187.98

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Solution

The fourth proportional to 346,040.72, 519,137.98 and 106,187.98 is: 159,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,040.72 : 519,137.98 = 106,187.98 : x
  2. Step 2: Convert to fraction form
    346,040.72/519,137.98 = 106,187.98/x
  3. Step 3: Cross multiply
    346,040.72x = 519,137.98 × 106,187.98
  4. Step 4: Simplify right side
    346,040.72x = 55,126,213,437.48
  5. Step 5: Solve for x
    x = 55,126,213,437.48/346,040.72
  6. Step 6: Final answer
    x = 159,305.57

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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.