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Finding the Fourth Proportional to 247,054.40, 370,754.40 and 106,913.60

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Solution

The fourth proportional to 247,054.40, 370,754.40 and 106,913.60 is: 160,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,054.40 : 370,754.40 = 106,913.60 : x
  2. Step 2: Convert to fraction form
    247,054.40/370,754.40 = 106,913.60/x
  3. Step 3: Cross multiply
    247,054.40x = 370,754.40 × 106,913.60
  4. Step 4: Simplify right side
    247,054.40x = 39,638,687,619.84
  5. Step 5: Solve for x
    x = 39,638,687,619.84/247,054.40
  6. Step 6: Final answer
    x = 160,445.18

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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.