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Finding the Fourth Proportional to 308,372.52, 462,733.72 and 121,515.24

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Solution

The fourth proportional to 308,372.52, 462,733.72 and 121,515.24 is: 182,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,372.52 : 462,733.72 = 121,515.24 : x
  2. Step 2: Convert to fraction form
    308,372.52/462,733.72 = 121,515.24/x
  3. Step 3: Cross multiply
    308,372.52x = 462,733.72 × 121,515.24
  4. Step 4: Simplify right side
    308,372.52x = 56,229,199,041.89
  5. Step 5: Solve for x
    x = 56,229,199,041.89/308,372.52
  6. Step 6: Final answer
    x = 182,341.80

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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.