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Finding the Fourth Proportional to 181,293.60, 271,940.40 and 124,212.90

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Solution

The fourth proportional to 181,293.60, 271,940.40 and 124,212.90 is: 186,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,293.60 : 271,940.40 = 124,212.90 : x
  2. Step 2: Convert to fraction form
    181,293.60/271,940.40 = 124,212.90/x
  3. Step 3: Cross multiply
    181,293.60x = 271,940.40 × 124,212.90
  4. Step 4: Simplify right side
    181,293.60x = 33,778,505,711.16
  5. Step 5: Solve for x
    x = 33,778,505,711.16/181,293.60
  6. Step 6: Final answer
    x = 186,319.35

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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.