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Finding the Fourth Proportional to 271,323.60, 406,985.40 and 113,535.60

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Solution

The fourth proportional to 271,323.60, 406,985.40 and 113,535.60 is: 170,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,323.60 : 406,985.40 = 113,535.60 : x
  2. Step 2: Convert to fraction form
    271,323.60/406,985.40 = 113,535.60/x
  3. Step 3: Cross multiply
    271,323.60x = 406,985.40 × 113,535.60
  4. Step 4: Simplify right side
    271,323.60x = 46,207,331,580.24
  5. Step 5: Solve for x
    x = 46,207,331,580.24/271,323.60
  6. Step 6: Final answer
    x = 170,303.40

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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.