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Finding the Fourth Proportional to 341,666.66, 512,327.94 and 113,881.61

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Solution

The fourth proportional to 341,666.66, 512,327.94 and 113,881.61 is: 170,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,666.66 : 512,327.94 = 113,881.61 : x
  2. Step 2: Convert to fraction form
    341,666.66/512,327.94 = 113,881.61/x
  3. Step 3: Cross multiply
    341,666.66x = 512,327.94 × 113,881.61
  4. Step 4: Simplify right side
    341,666.66x = 58,344,730,655.18
  5. Step 5: Solve for x
    x = 58,344,730,655.18/341,666.66
  6. Step 6: Final answer
    x = 170,765.07

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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.