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Finding the Fourth Proportional to 245,603.20, 368,599.20 and 95,915.20

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Solution

The fourth proportional to 245,603.20, 368,599.20 and 95,915.20 is: 143,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,603.20 : 368,599.20 = 95,915.20 : x
  2. Step 2: Convert to fraction form
    245,603.20/368,599.20 = 95,915.20/x
  3. Step 3: Cross multiply
    245,603.20x = 368,599.20 × 95,915.20
  4. Step 4: Simplify right side
    245,603.20x = 35,354,265,987.84
  5. Step 5: Solve for x
    x = 35,354,265,987.84/245,603.20
  6. Step 6: Final answer
    x = 143,948.72

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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.