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Finding the Fourth Proportional to 77,602.29, 107,093.98 and 43,611.45

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Solution

The fourth proportional to 77,602.29, 107,093.98 and 43,611.45 is: 60,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,602.29 : 107,093.98 = 43,611.45 : x
  2. Step 2: Convert to fraction form
    77,602.29/107,093.98 = 43,611.45/x
  3. Step 3: Cross multiply
    77,602.29x = 107,093.98 × 43,611.45
  4. Step 4: Simplify right side
    77,602.29x = 4,670,523,754.07
  5. Step 5: Solve for x
    x = 4,670,523,754.07/77,602.29
  6. Step 6: Final answer
    x = 60,185.39

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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.