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Finding the Fourth Proportional to 201,709.40, 302,045.70 and 148,832.60

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Solution

The fourth proportional to 201,709.40, 302,045.70 and 148,832.60 is: 222,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,709.40 : 302,045.70 = 148,832.60 : x
  2. Step 2: Convert to fraction form
    201,709.40/302,045.70 = 148,832.60/x
  3. Step 3: Cross multiply
    201,709.40x = 302,045.70 × 148,832.60
  4. Step 4: Simplify right side
    201,709.40x = 44,954,246,849.82
  5. Step 5: Solve for x
    x = 44,954,246,849.82/201,709.40
  6. Step 6: Final answer
    x = 222,866.40

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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.