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Finding the Fourth Proportional to 253,558.44, 349,988.40 and 146,199.96

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Solution

The fourth proportional to 253,558.44, 349,988.40 and 146,199.96 is: 201,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,558.44 : 349,988.40 = 146,199.96 : x
  2. Step 2: Convert to fraction form
    253,558.44/349,988.40 = 146,199.96/x
  3. Step 3: Cross multiply
    253,558.44x = 349,988.40 × 146,199.96
  4. Step 4: Simplify right side
    253,558.44x = 51,168,290,080.46
  5. Step 5: Solve for x
    x = 51,168,290,080.46/253,558.44
  6. Step 6: Final answer
    x = 201,800.78

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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.