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Finding the Fourth Proportional to 245,672.55, 368,504.69 and 110,661.53

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Solution

The fourth proportional to 245,672.55, 368,504.69 and 110,661.53 is: 165,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,672.55 : 368,504.69 = 110,661.53 : x
  2. Step 2: Convert to fraction form
    245,672.55/368,504.69 = 110,661.53/x
  3. Step 3: Cross multiply
    245,672.55x = 368,504.69 × 110,661.53
  4. Step 4: Simplify right side
    245,672.55x = 40,779,290,411.74
  5. Step 5: Solve for x
    x = 40,779,290,411.74/245,672.55
  6. Step 6: Final answer
    x = 165,990.42

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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.