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Finding the Fourth Proportional to 335,645.56, 503,467.70 and 99,154.32

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Solution

The fourth proportional to 335,645.56, 503,467.70 and 99,154.32 is: 148,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,645.56 : 503,467.70 = 99,154.32 : x
  2. Step 2: Convert to fraction form
    335,645.56/503,467.70 = 99,154.32/x
  3. Step 3: Cross multiply
    335,645.56x = 503,467.70 × 99,154.32
  4. Step 4: Simplify right side
    335,645.56x = 49,920,997,435.46
  5. Step 5: Solve for x
    x = 49,920,997,435.46/335,645.56
  6. Step 6: Final answer
    x = 148,731.29

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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.