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Finding the Fourth Proportional to 242,080.80, 362,991.60 and 101,680.80

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Solution

The fourth proportional to 242,080.80, 362,991.60 and 101,680.80 is: 152,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,080.80 : 362,991.60 = 101,680.80 : x
  2. Step 2: Convert to fraction form
    242,080.80/362,991.60 = 101,680.80/x
  3. Step 3: Cross multiply
    242,080.80x = 362,991.60 × 101,680.80
  4. Step 4: Simplify right side
    242,080.80x = 36,909,276,281.28
  5. Step 5: Solve for x
    x = 36,909,276,281.28/242,080.80
  6. Step 6: Final answer
    x = 152,466.76

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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.