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Finding the Fourth Proportional to 141,805.56, 212,709.06 and 36,617.28

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Solution

The fourth proportional to 141,805.56, 212,709.06 and 36,617.28 is: 54,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,805.56 : 212,709.06 = 36,617.28 : x
  2. Step 2: Convert to fraction form
    141,805.56/212,709.06 = 36,617.28/x
  3. Step 3: Cross multiply
    141,805.56x = 212,709.06 × 36,617.28
  4. Step 4: Simplify right side
    141,805.56x = 7,788,827,208.56
  5. Step 5: Solve for x
    x = 7,788,827,208.56/141,805.56
  6. Step 6: Final answer
    x = 54,926.11

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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.