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Finding the Fourth Proportional to 242,852.75, 335,136.80 and 142,250.75

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Solution

The fourth proportional to 242,852.75, 335,136.80 and 142,250.75 is: 196,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,852.75 : 335,136.80 = 142,250.75 : x
  2. Step 2: Convert to fraction form
    242,852.75/335,136.80 = 142,250.75/x
  3. Step 3: Cross multiply
    242,852.75x = 335,136.80 × 142,250.75
  4. Step 4: Simplify right side
    242,852.75x = 47,673,461,152.60
  5. Step 5: Solve for x
    x = 47,673,461,152.60/242,852.75
  6. Step 6: Final answer
    x = 196,306.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.