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Finding the Fourth Proportional to 363,393.49, 545,048.70 and 97,174.76

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Solution

The fourth proportional to 363,393.49, 545,048.70 and 97,174.76 is: 145,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,393.49 : 545,048.70 = 97,174.76 : x
  2. Step 2: Convert to fraction form
    363,393.49/545,048.70 = 97,174.76/x
  3. Step 3: Cross multiply
    363,393.49x = 545,048.70 × 97,174.76
  4. Step 4: Simplify right side
    363,393.49x = 52,964,973,885.57
  5. Step 5: Solve for x
    x = 52,964,973,885.57/363,393.49
  6. Step 6: Final answer
    x = 145,751.03

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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.