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Finding the Fourth Proportional to 351,003.60, 525,900.60 and 163,630.80

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Solution

The fourth proportional to 351,003.60, 525,900.60 and 163,630.80 is: 245,164.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,003.60 : 525,900.60 = 163,630.80 : x
  2. Step 2: Convert to fraction form
    351,003.60/525,900.60 = 163,630.80/x
  3. Step 3: Cross multiply
    351,003.60x = 525,900.60 × 163,630.80
  4. Step 4: Simplify right side
    351,003.60x = 86,053,535,898.48
  5. Step 5: Solve for x
    x = 86,053,535,898.48/351,003.60
  6. Step 6: Final answer
    x = 245,164.25

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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.