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Finding the Fourth Proportional to 241,430.40, 362,143.80 and 72,950.40

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Solution

The fourth proportional to 241,430.40, 362,143.80 and 72,950.40 is: 109,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,430.40 : 362,143.80 = 72,950.40 : x
  2. Step 2: Convert to fraction form
    241,430.40/362,143.80 = 72,950.40/x
  3. Step 3: Cross multiply
    241,430.40x = 362,143.80 × 72,950.40
  4. Step 4: Simplify right side
    241,430.40x = 26,418,535,067.52
  5. Step 5: Solve for x
    x = 26,418,535,067.52/241,430.40
  6. Step 6: Final answer
    x = 109,425.06

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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.