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Finding the Fourth Proportional to 194,101.75, 291,152.76 and 53,860.51

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Solution

The fourth proportional to 194,101.75, 291,152.76 and 53,860.51 is: 80,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,101.75 : 291,152.76 = 53,860.51 : x
  2. Step 2: Convert to fraction form
    194,101.75/291,152.76 = 53,860.51/x
  3. Step 3: Cross multiply
    194,101.75x = 291,152.76 × 53,860.51
  4. Step 4: Simplify right side
    194,101.75x = 15,681,636,141.51
  5. Step 5: Solve for x
    x = 15,681,636,141.51/194,101.75
  6. Step 6: Final answer
    x = 80,790.80

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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.