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Finding the Fourth Proportional to 210,894.66, 316,341.99 and 92,567.03

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Solution

The fourth proportional to 210,894.66, 316,341.99 and 92,567.03 is: 138,850.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,894.66 : 316,341.99 = 92,567.03 : x
  2. Step 2: Convert to fraction form
    210,894.66/316,341.99 = 92,567.03/x
  3. Step 3: Cross multiply
    210,894.66x = 316,341.99 × 92,567.03
  4. Step 4: Simplify right side
    210,894.66x = 29,282,836,896.88
  5. Step 5: Solve for x
    x = 29,282,836,896.88/210,894.66
  6. Step 6: Final answer
    x = 138,850.54

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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.