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Finding the Fourth Proportional to 245,521.50, 368,281.23 and 68,028.00

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Solution

The fourth proportional to 245,521.50, 368,281.23 and 68,028.00 is: 102,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521.50 : 368,281.23 = 68,028.00 : x
  2. Step 2: Convert to fraction form
    245,521.50/368,281.23 = 68,028.00/x
  3. Step 3: Cross multiply
    245,521.50x = 368,281.23 × 68,028.00
  4. Step 4: Simplify right side
    245,521.50x = 25,053,436,332.52
  5. Step 5: Solve for x
    x = 25,053,436,332.52/245,521.50
  6. Step 6: Final answer
    x = 102,041.72

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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.