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Finding the Fourth Proportional to 201,711.40, 302,048.70 and 148,834.60

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Solution

The fourth proportional to 201,711.40, 302,048.70 and 148,834.60 is: 222,869.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,711.40 : 302,048.70 = 148,834.60 : x
  2. Step 2: Convert to fraction form
    201,711.40/302,048.70 = 148,834.60/x
  3. Step 3: Cross multiply
    201,711.40x = 302,048.70 × 148,834.60
  4. Step 4: Simplify right side
    201,711.40x = 44,955,297,445.02
  5. Step 5: Solve for x
    x = 44,955,297,445.02/201,711.40
  6. Step 6: Final answer
    x = 222,869.39

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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.