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Finding the Fourth Proportional to 363,929.60, 545,894.40 and 111,209.60

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Solution

The fourth proportional to 363,929.60, 545,894.40 and 111,209.60 is: 166,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,929.60 : 545,894.40 = 111,209.60 : x
  2. Step 2: Convert to fraction form
    363,929.60/545,894.40 = 111,209.60/x
  3. Step 3: Cross multiply
    363,929.60x = 545,894.40 × 111,209.60
  4. Step 4: Simplify right side
    363,929.60x = 60,708,697,866.24
  5. Step 5: Solve for x
    x = 60,708,697,866.24/363,929.60
  6. Step 6: Final answer
    x = 166,814.40

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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.