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Finding the Fourth Proportional to 201,700.40, 302,032.20 and 148,823.60

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Solution

The fourth proportional to 201,700.40, 302,032.20 and 148,823.60 is: 222,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,700.40 : 302,032.20 = 148,823.60 : x
  2. Step 2: Convert to fraction form
    201,700.40/302,032.20 = 148,823.60/x
  3. Step 3: Cross multiply
    201,700.40x = 302,032.20 × 148,823.60
  4. Step 4: Simplify right side
    201,700.40x = 44,949,519,319.92
  5. Step 5: Solve for x
    x = 44,949,519,319.92/201,700.40
  6. Step 6: Final answer
    x = 222,852.90

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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.