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Finding the Fourth Proportional to 121,376.96, 182,026.06 and 46,493.12

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Solution

The fourth proportional to 121,376.96, 182,026.06 and 46,493.12 is: 69,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,376.96 : 182,026.06 = 46,493.12 : x
  2. Step 2: Convert to fraction form
    121,376.96/182,026.06 = 46,493.12/x
  3. Step 3: Cross multiply
    121,376.96x = 182,026.06 × 46,493.12
  4. Step 4: Simplify right side
    121,376.96x = 8,462,959,450.71
  5. Step 5: Solve for x
    x = 8,462,959,450.71/121,376.96
  6. Step 6: Final answer
    x = 69,724.60

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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.