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Finding the Fourth Proportional to 141,141, 194,776.87 and 76,611.52

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Solution

The fourth proportional to 141,141, 194,776.87 and 76,611.52 is: 105,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,141 : 194,776.87 = 76,611.52 : x
  2. Step 2: Convert to fraction form
    141,141/194,776.87 = 76,611.52/x
  3. Step 3: Cross multiply
    141,141x = 194,776.87 × 76,611.52
  4. Step 4: Simplify right side
    141,141x = 14,922,151,393.07
  5. Step 5: Solve for x
    x = 14,922,151,393.07/141,141
  6. Step 6: Final answer
    x = 105,725.14

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