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Finding the Fourth Proportional to 364,367.80, 546,489.66 and 98,068.96

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Solution

The fourth proportional to 364,367.80, 546,489.66 and 98,068.96 is: 147,086.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,367.80 : 546,489.66 = 98,068.96 : x
  2. Step 2: Convert to fraction form
    364,367.80/546,489.66 = 98,068.96/x
  3. Step 3: Cross multiply
    364,367.80x = 546,489.66 × 98,068.96
  4. Step 4: Simplify right side
    364,367.80x = 53,593,672,606.95
  5. Step 5: Solve for x
    x = 53,593,672,606.95/364,367.80
  6. Step 6: Final answer
    x = 147,086.74

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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.