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Finding the Fourth Proportional to 201,650.90, 302,403.45 and 101,777.90

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Solution

The fourth proportional to 201,650.90, 302,403.45 and 101,777.90 is: 152,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,650.90 : 302,403.45 = 101,777.90 : x
  2. Step 2: Convert to fraction form
    201,650.90/302,403.45 = 101,777.90/x
  3. Step 3: Cross multiply
    201,650.90x = 302,403.45 × 101,777.90
  4. Step 4: Simplify right side
    201,650.90x = 30,777,988,093.76
  5. Step 5: Solve for x
    x = 30,777,988,093.76/201,650.90
  6. Step 6: Final answer
    x = 152,630.06

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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.