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Finding the Fourth Proportional to 245,403.54, 368,113.47 and 67,895.67

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Solution

The fourth proportional to 245,403.54, 368,113.47 and 67,895.67 is: 101,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,403.54 : 368,113.47 = 67,895.67 : x
  2. Step 2: Convert to fraction form
    245,403.54/368,113.47 = 67,895.67/x
  3. Step 3: Cross multiply
    245,403.54x = 368,113.47 × 67,895.67
  4. Step 4: Simplify right side
    245,403.54x = 24,993,310,681.67
  5. Step 5: Solve for x
    x = 24,993,310,681.67/245,403.54
  6. Step 6: Final answer
    x = 101,845.76

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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.