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Finding the Fourth Proportional to 299,037.36, 412,650.72 and 168,234.72

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Solution

The fourth proportional to 299,037.36, 412,650.72 and 168,234.72 is: 232,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,037.36 : 412,650.72 = 168,234.72 : x
  2. Step 2: Convert to fraction form
    299,037.36/412,650.72 = 168,234.72/x
  3. Step 3: Cross multiply
    299,037.36x = 412,650.72 × 168,234.72
  4. Step 4: Simplify right side
    299,037.36x = 69,422,178,337.00
  5. Step 5: Solve for x
    x = 69,422,178,337.00/299,037.36
  6. Step 6: Final answer
    x = 232,152.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.