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Finding the Fourth Proportional to 270,176.02, 405,308.58 and 83,187.52

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Solution

The fourth proportional to 270,176.02, 405,308.58 and 83,187.52 is: 124,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,176.02 : 405,308.58 = 83,187.52 : x
  2. Step 2: Convert to fraction form
    270,176.02/405,308.58 = 83,187.52/x
  3. Step 3: Cross multiply
    270,176.02x = 405,308.58 × 83,187.52
  4. Step 4: Simplify right side
    270,176.02x = 33,716,615,604.92
  5. Step 5: Solve for x
    x = 33,716,615,604.92/270,176.02
  6. Step 6: Final answer
    x = 124,795.00

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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.