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Finding the Fourth Proportional to 357,134.67, 535,566.53 and 117,190.70

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Solution

The fourth proportional to 357,134.67, 535,566.53 and 117,190.70 is: 175,741.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,134.67 : 535,566.53 = 117,190.70 : x
  2. Step 2: Convert to fraction form
    357,134.67/535,566.53 = 117,190.70/x
  3. Step 3: Cross multiply
    357,134.67x = 535,566.53 × 117,190.70
  4. Step 4: Simplify right side
    357,134.67x = 62,763,416,170.79
  5. Step 5: Solve for x
    x = 62,763,416,170.79/357,134.67
  6. Step 6: Final answer
    x = 175,741.59

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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.