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Finding the Fourth Proportional to 247,050.40, 370,748.40 and 106,909.60

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Solution

The fourth proportional to 247,050.40, 370,748.40 and 106,909.60 is: 160,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,050.40 : 370,748.40 = 106,909.60 : x
  2. Step 2: Convert to fraction form
    247,050.40/370,748.40 = 106,909.60/x
  3. Step 3: Cross multiply
    247,050.40x = 370,748.40 × 106,909.60
  4. Step 4: Simplify right side
    247,050.40x = 39,636,563,144.64
  5. Step 5: Solve for x
    x = 39,636,563,144.64/247,050.40
  6. Step 6: Final answer
    x = 160,439.18

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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.