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Finding the Fourth Proportional to 357,354.03, 535,917.37 and 117,412.62

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Solution

The fourth proportional to 357,354.03, 535,917.37 and 117,412.62 is: 176,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,354.03 : 535,917.37 = 117,412.62 : x
  2. Step 2: Convert to fraction form
    357,354.03/535,917.37 = 117,412.62/x
  3. Step 3: Cross multiply
    357,354.03x = 535,917.37 × 117,412.62
  4. Step 4: Simplify right side
    357,354.03x = 62,923,462,221.68
  5. Step 5: Solve for x
    x = 62,923,462,221.68/357,354.03
  6. Step 6: Final answer
    x = 176,081.58

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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.