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Finding the Fourth Proportional to 246,988.40, 370,655.40 and 106,847.60

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Solution

The fourth proportional to 246,988.40, 370,655.40 and 106,847.60 is: 160,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,988.40 : 370,655.40 = 106,847.60 : x
  2. Step 2: Convert to fraction form
    246,988.40/370,655.40 = 106,847.60/x
  3. Step 3: Cross multiply
    246,988.40x = 370,655.40 × 106,847.60
  4. Step 4: Simplify right side
    246,988.40x = 39,603,639,917.04
  5. Step 5: Solve for x
    x = 39,603,639,917.04/246,988.40
  6. Step 6: Final answer
    x = 160,346.15

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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.