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Finding the Fourth Proportional to 167,219.75, 250,828.71 and 40,860.70

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Solution

The fourth proportional to 167,219.75, 250,828.71 and 40,860.70 is: 61,290.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,219.75 : 250,828.71 = 40,860.70 : x
  2. Step 2: Convert to fraction form
    167,219.75/250,828.71 = 40,860.70/x
  3. Step 3: Cross multiply
    167,219.75x = 250,828.71 × 40,860.70
  4. Step 4: Simplify right side
    167,219.75x = 10,249,035,416.55
  5. Step 5: Solve for x
    x = 10,249,035,416.55/167,219.75
  6. Step 6: Final answer
    x = 61,290.82

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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.