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Finding the Fourth Proportional to 155,551.20, 232,743.60 and 141,554.40

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Solution

The fourth proportional to 155,551.20, 232,743.60 and 141,554.40 is: 211,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,551.20 : 232,743.60 = 141,554.40 : x
  2. Step 2: Convert to fraction form
    155,551.20/232,743.60 = 141,554.40/x
  3. Step 3: Cross multiply
    155,551.20x = 232,743.60 × 141,554.40
  4. Step 4: Simplify right side
    155,551.20x = 32,945,880,651.84
  5. Step 5: Solve for x
    x = 32,945,880,651.84/155,551.20
  6. Step 6: Final answer
    x = 211,800.88

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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.