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Finding the Fourth Proportional to 63,010.20, 94,428.90 and 51,346.20

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Solution

The fourth proportional to 63,010.20, 94,428.90 and 51,346.20 is: 76,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.20 : 94,428.90 = 51,346.20 : x
  2. Step 2: Convert to fraction form
    63,010.20/94,428.90 = 51,346.20/x
  3. Step 3: Cross multiply
    63,010.20x = 94,428.90 × 51,346.20
  4. Step 4: Simplify right side
    63,010.20x = 4,848,565,185.18
  5. Step 5: Solve for x
    x = 4,848,565,185.18/63,010.20
  6. Step 6: Final answer
    x = 76,948.89

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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.