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Finding the Fourth Proportional to 84,754, 116,960.52 and 47,034.32

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Solution

The fourth proportional to 84,754, 116,960.52 and 47,034.32 is: 64,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754 : 116,960.52 = 47,034.32 : x
  2. Step 2: Convert to fraction form
    84,754/116,960.52 = 47,034.32/x
  3. Step 3: Cross multiply
    84,754x = 116,960.52 × 47,034.32
  4. Step 4: Simplify right side
    84,754x = 5,501,158,525.05
  5. Step 5: Solve for x
    x = 5,501,158,525.05/84,754
  6. Step 6: Final answer
    x = 64,907.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.