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Finding the Fourth Proportional to 77,703.05, 116,554.60 and 34,958.54

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Solution

The fourth proportional to 77,703.05, 116,554.60 and 34,958.54 is: 52,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,703.05 : 116,554.60 = 34,958.54 : x
  2. Step 2: Convert to fraction form
    77,703.05/116,554.60 = 34,958.54/x
  3. Step 3: Cross multiply
    77,703.05x = 116,554.60 × 34,958.54
  4. Step 4: Simplify right side
    77,703.05x = 4,074,578,646.28
  5. Step 5: Solve for x
    x = 4,074,578,646.28/77,703.05
  6. Step 6: Final answer
    x = 52,437.82

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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.