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Finding the Fourth Proportional to 137,060.55, 205,486.63 and 94,828.37

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Solution

The fourth proportional to 137,060.55, 205,486.63 and 94,828.37 is: 142,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,060.55 : 205,486.63 = 94,828.37 : x
  2. Step 2: Convert to fraction form
    137,060.55/205,486.63 = 94,828.37/x
  3. Step 3: Cross multiply
    137,060.55x = 205,486.63 × 94,828.37
  4. Step 4: Simplify right side
    137,060.55x = 19,485,960,915.19
  5. Step 5: Solve for x
    x = 19,485,960,915.19/137,060.55
  6. Step 6: Final answer
    x = 142,170.46

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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.