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Finding the Fourth Proportional to 255,998.64, 384,052.56 and 98,225.76

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Solution

The fourth proportional to 255,998.64, 384,052.56 and 98,225.76 is: 147,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,998.64 : 384,052.56 = 98,225.76 : x
  2. Step 2: Convert to fraction form
    255,998.64/384,052.56 = 98,225.76/x
  3. Step 3: Cross multiply
    255,998.64x = 384,052.56 × 98,225.76
  4. Step 4: Simplify right side
    255,998.64x = 37,723,854,585.95
  5. Step 5: Solve for x
    x = 37,723,854,585.95/255,998.64
  6. Step 6: Final answer
    x = 147,359.59

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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.