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Finding the Fourth Proportional to 364,023.91, 546,282.03 and 127,368.64

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Solution

The fourth proportional to 364,023.91, 546,282.03 and 127,368.64 is: 191,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,023.91 : 546,282.03 = 127,368.64 : x
  2. Step 2: Convert to fraction form
    364,023.91/546,282.03 = 127,368.64/x
  3. Step 3: Cross multiply
    364,023.91x = 546,282.03 × 127,368.64
  4. Step 4: Simplify right side
    364,023.91x = 69,579,199,217.54
  5. Step 5: Solve for x
    x = 69,579,199,217.54/364,023.91
  6. Step 6: Final answer
    x = 191,139.09

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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.