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Finding the Fourth Proportional to 323,080.60, 484,620.90 and 101,435.80

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Solution

The fourth proportional to 323,080.60, 484,620.90 and 101,435.80 is: 152,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,080.60 : 484,620.90 = 101,435.80 : x
  2. Step 2: Convert to fraction form
    323,080.60/484,620.90 = 101,435.80/x
  3. Step 3: Cross multiply
    323,080.60x = 484,620.90 × 101,435.80
  4. Step 4: Simplify right side
    323,080.60x = 49,157,908,688.22
  5. Step 5: Solve for x
    x = 49,157,908,688.22/323,080.60
  6. Step 6: Final answer
    x = 152,153.70

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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.