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Finding the Fourth Proportional to 252,313.43, 378,041.70 and 152,263.39

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Solution

The fourth proportional to 252,313.43, 378,041.70 and 152,263.39 is: 228,136.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,313.43 : 378,041.70 = 152,263.39 : x
  2. Step 2: Convert to fraction form
    252,313.43/378,041.70 = 152,263.39/x
  3. Step 3: Cross multiply
    252,313.43x = 378,041.70 × 152,263.39
  4. Step 4: Simplify right side
    252,313.43x = 57,561,909,858.26
  5. Step 5: Solve for x
    x = 57,561,909,858.26/252,313.43
  6. Step 6: Final answer
    x = 228,136.53

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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.