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Finding the Fourth Proportional to 221,435.60, 332,196.60 and 95,075.60

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Solution

The fourth proportional to 221,435.60, 332,196.60 and 95,075.60 is: 142,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435.60 : 332,196.60 = 95,075.60 : x
  2. Step 2: Convert to fraction form
    221,435.60/332,196.60 = 95,075.60/x
  3. Step 3: Cross multiply
    221,435.60x = 332,196.60 × 95,075.60
  4. Step 4: Simplify right side
    221,435.60x = 31,583,791,062.96
  5. Step 5: Solve for x
    x = 31,583,791,062.96/221,435.60
  6. Step 6: Final answer
    x = 142,631.95

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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.