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Finding the Fourth Proportional to 245,397.44, 368,100.76 and 76,914.04

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Solution

The fourth proportional to 245,397.44, 368,100.76 and 76,914.04 is: 115,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,397.44 : 368,100.76 = 76,914.04 : x
  2. Step 2: Convert to fraction form
    245,397.44/368,100.76 = 76,914.04/x
  3. Step 3: Cross multiply
    245,397.44x = 368,100.76 × 76,914.04
  4. Step 4: Simplify right side
    245,397.44x = 28,312,116,578.67
  5. Step 5: Solve for x
    x = 28,312,116,578.67/245,397.44
  6. Step 6: Final answer
    x = 115,372.50

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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.