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Finding the Fourth Proportional to 343,447.04, 515,164.80 and 94,129.04

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Solution

The fourth proportional to 343,447.04, 515,164.80 and 94,129.04 is: 141,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,447.04 : 515,164.80 = 94,129.04 : x
  2. Step 2: Convert to fraction form
    343,447.04/515,164.80 = 94,129.04/x
  3. Step 3: Cross multiply
    343,447.04x = 515,164.80 × 94,129.04
  4. Step 4: Simplify right side
    343,447.04x = 48,491,968,065.79
  5. Step 5: Solve for x
    x = 48,491,968,065.79/343,447.04
  6. Step 6: Final answer
    x = 141,191.98

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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.