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Finding the Fourth Proportional to 84,090.88, 116,045.76 and 50,557.44

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Solution

The fourth proportional to 84,090.88, 116,045.76 and 50,557.44 is: 69,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,090.88 : 116,045.76 = 50,557.44 : x
  2. Step 2: Convert to fraction form
    84,090.88/116,045.76 = 50,557.44/x
  3. Step 3: Cross multiply
    84,090.88x = 116,045.76 × 50,557.44
  4. Step 4: Simplify right side
    84,090.88x = 5,866,976,548.45
  5. Step 5: Solve for x
    x = 5,866,976,548.45/84,090.88
  6. Step 6: Final answer
    x = 69,769.47

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1.5x scale

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.