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Finding the Fourth Proportional to 223,798.08, 335,747.69 and 74,038.01

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Solution

The fourth proportional to 223,798.08, 335,747.69 and 74,038.01 is: 111,073.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,798.08 : 335,747.69 = 74,038.01 : x
  2. Step 2: Convert to fraction form
    223,798.08/335,747.69 = 74,038.01/x
  3. Step 3: Cross multiply
    223,798.08x = 335,747.69 × 74,038.01
  4. Step 4: Simplify right side
    223,798.08x = 24,858,090,829.70
  5. Step 5: Solve for x
    x = 24,858,090,829.70/223,798.08
  6. Step 6: Final answer
    x = 111,073.74

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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.