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Finding the Fourth Proportional to 116,907.40, 175,245.90 and 57,752.20

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Solution

The fourth proportional to 116,907.40, 175,245.90 and 57,752.20 is: 86,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,907.40 : 175,245.90 = 57,752.20 : x
  2. Step 2: Convert to fraction form
    116,907.40/175,245.90 = 57,752.20/x
  3. Step 3: Cross multiply
    116,907.40x = 175,245.90 × 57,752.20
  4. Step 4: Simplify right side
    116,907.40x = 10,120,836,265.98
  5. Step 5: Solve for x
    x = 10,120,836,265.98/116,907.40
  6. Step 6: Final answer
    x = 86,571.39

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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.