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Finding the Fourth Proportional to 247,098.40, 370,820.40 and 106,957.60

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Solution

The fourth proportional to 247,098.40, 370,820.40 and 106,957.60 is: 160,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,098.40 : 370,820.40 = 106,957.60 : x
  2. Step 2: Convert to fraction form
    247,098.40/370,820.40 = 106,957.60/x
  3. Step 3: Cross multiply
    247,098.40x = 370,820.40 × 106,957.60
  4. Step 4: Simplify right side
    247,098.40x = 39,662,060,015.04
  5. Step 5: Solve for x
    x = 39,662,060,015.04/247,098.40
  6. Step 6: Final answer
    x = 160,511.20

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1.5x scale

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.