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Finding the Fourth Proportional to 346,339.60, 519,525.60 and 109,700.80

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Solution

The fourth proportional to 346,339.60, 519,525.60 and 109,700.80 is: 164,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,339.60 : 519,525.60 = 109,700.80 : x
  2. Step 2: Convert to fraction form
    346,339.60/519,525.60 = 109,700.80/x
  3. Step 3: Cross multiply
    346,339.60x = 519,525.60 × 109,700.80
  4. Step 4: Simplify right side
    346,339.60x = 56,992,373,940.48
  5. Step 5: Solve for x
    x = 56,992,373,940.48/346,339.60
  6. Step 6: Final answer
    x = 164,556.33

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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.