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Finding the Fourth Proportional to 201,525.60, 302,521.20 and 108,213.60

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Solution

The fourth proportional to 201,525.60, 302,521.20 and 108,213.60 is: 162,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,525.60 : 302,521.20 = 108,213.60 : x
  2. Step 2: Convert to fraction form
    201,525.60/302,521.20 = 108,213.60/x
  3. Step 3: Cross multiply
    201,525.60x = 302,521.20 × 108,213.60
  4. Step 4: Simplify right side
    201,525.60x = 32,736,908,128.32
  5. Step 5: Solve for x
    x = 32,736,908,128.32/201,525.60
  6. Step 6: Final answer
    x = 162,445.41

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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.