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Finding the Fourth Proportional to 364,178.88, 546,059.52 and 111,389.04

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Solution

The fourth proportional to 364,178.88, 546,059.52 and 111,389.04 is: 167,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,178.88 : 546,059.52 = 111,389.04 : x
  2. Step 2: Convert to fraction form
    364,178.88/546,059.52 = 111,389.04/x
  3. Step 3: Cross multiply
    364,178.88x = 546,059.52 × 111,389.04
  4. Step 4: Simplify right side
    364,178.88x = 60,825,045,715.66
  5. Step 5: Solve for x
    x = 60,825,045,715.66/364,178.88
  6. Step 6: Final answer
    x = 167,019.70

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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.