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Finding the Fourth Proportional to 245,656.32, 367,893.95 and 140,155.44

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Solution

The fourth proportional to 245,656.32, 367,893.95 and 140,155.44 is: 209,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,656.32 : 367,893.95 = 140,155.44 : x
  2. Step 2: Convert to fraction form
    245,656.32/367,893.95 = 140,155.44/x
  3. Step 3: Cross multiply
    245,656.32x = 367,893.95 × 140,155.44
  4. Step 4: Simplify right side
    245,656.32x = 51,562,337,734.81
  5. Step 5: Solve for x
    x = 51,562,337,734.81/245,656.32
  6. Step 6: Final answer
    x = 209,896.24

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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.