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Finding the Fourth Proportional to 270,482.08, 405,760.03 and 112,673.63

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Solution

The fourth proportional to 270,482.08, 405,760.03 and 112,673.63 is: 169,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,482.08 : 405,760.03 = 112,673.63 : x
  2. Step 2: Convert to fraction form
    270,482.08/405,760.03 = 112,673.63/x
  3. Step 3: Cross multiply
    270,482.08x = 405,760.03 × 112,673.63
  4. Step 4: Simplify right side
    270,482.08x = 45,718,453,178.52
  5. Step 5: Solve for x
    x = 45,718,453,178.52/270,482.08
  6. Step 6: Final answer
    x = 169,025.81

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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.