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Finding the Fourth Proportional to 201,695.90, 302,025.45 and 148,819.10

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Solution

The fourth proportional to 201,695.90, 302,025.45 and 148,819.10 is: 222,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,695.90 : 302,025.45 = 148,819.10 : x
  2. Step 2: Convert to fraction form
    201,695.90/302,025.45 = 148,819.10/x
  3. Step 3: Cross multiply
    201,695.90x = 302,025.45 × 148,819.10
  4. Step 4: Simplify right side
    201,695.90x = 44,947,155,646.10
  5. Step 5: Solve for x
    x = 44,947,155,646.10/201,695.90
  6. Step 6: Final answer
    x = 222,846.15

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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.