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Finding the Fourth Proportional to 247,206.63, 370,820.72 and 120,953.17

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Solution

The fourth proportional to 247,206.63, 370,820.72 and 120,953.17 is: 181,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,206.63 : 370,820.72 = 120,953.17 : x
  2. Step 2: Convert to fraction form
    247,206.63/370,820.72 = 120,953.17/x
  3. Step 3: Cross multiply
    247,206.63x = 370,820.72 × 120,953.17
  4. Step 4: Simplify right side
    247,206.63x = 44,851,943,224.43
  5. Step 5: Solve for x
    x = 44,851,943,224.43/247,206.63
  6. Step 6: Final answer
    x = 181,435.03

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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.