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Finding the Fourth Proportional to 349,778.85, 524,684.67 and 113,139.98

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Solution

The fourth proportional to 349,778.85, 524,684.67 and 113,139.98 is: 169,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,778.85 : 524,684.67 = 113,139.98 : x
  2. Step 2: Convert to fraction form
    349,778.85/524,684.67 = 113,139.98/x
  3. Step 3: Cross multiply
    349,778.85x = 524,684.67 × 113,139.98
  4. Step 4: Simplify right side
    349,778.85x = 59,362,813,070.11
  5. Step 5: Solve for x
    x = 59,362,813,070.11/349,778.85
  6. Step 6: Final answer
    x = 169,715.27

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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.