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Finding the Fourth Proportional to 245,307.24, 368,116.38 and 133,063.92

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Solution

The fourth proportional to 245,307.24, 368,116.38 and 133,063.92 is: 199,680.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,307.24 : 368,116.38 = 133,063.92 : x
  2. Step 2: Convert to fraction form
    245,307.24/368,116.38 = 133,063.92/x
  3. Step 3: Cross multiply
    245,307.24x = 368,116.38 × 133,063.92
  4. Step 4: Simplify right side
    245,307.24x = 48,983,008,539.01
  5. Step 5: Solve for x
    x = 48,983,008,539.01/245,307.24
  6. Step 6: Final answer
    x = 199,680.24

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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.