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Finding the Fourth Proportional to 363,267.80, 545,018.45 and 110,597.21

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Solution

The fourth proportional to 363,267.80, 545,018.45 and 110,597.21 is: 165,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,267.80 : 545,018.45 = 110,597.21 : x
  2. Step 2: Convert to fraction form
    363,267.80/545,018.45 = 110,597.21/x
  3. Step 3: Cross multiply
    363,267.80x = 545,018.45 × 110,597.21
  4. Step 4: Simplify right side
    363,267.80x = 60,277,516,690.45
  5. Step 5: Solve for x
    x = 60,277,516,690.45/363,267.80
  6. Step 6: Final answer
    x = 165,931.35

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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.