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Finding the Fourth Proportional to 183,213.76, 252,777.60 and 102,630.40

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Solution

The fourth proportional to 183,213.76, 252,777.60 and 102,630.40 is: 141,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,213.76 : 252,777.60 = 102,630.40 : x
  2. Step 2: Convert to fraction form
    183,213.76/252,777.60 = 102,630.40/x
  3. Step 3: Cross multiply
    183,213.76x = 252,777.60 × 102,630.40
  4. Step 4: Simplify right side
    183,213.76x = 25,942,666,199.04
  5. Step 5: Solve for x
    x = 25,942,666,199.04/183,213.76
  6. Step 6: Final answer
    x = 141,597.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.