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Finding the Fourth Proportional to 247,028.88, 370,547.46 and 69,540.15

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Solution

The fourth proportional to 247,028.88, 370,547.46 and 69,540.15 is: 104,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,028.88 : 370,547.46 = 69,540.15 : x
  2. Step 2: Convert to fraction form
    247,028.88/370,547.46 = 69,540.15/x
  3. Step 3: Cross multiply
    247,028.88x = 370,547.46 × 69,540.15
  4. Step 4: Simplify right side
    247,028.88x = 25,767,925,950.52
  5. Step 5: Solve for x
    x = 25,767,925,950.52/247,028.88
  6. Step 6: Final answer
    x = 104,311.39

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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.