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Finding the Fourth Proportional to 233,885.12, 350,824.59 and 56,390.72

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Solution

The fourth proportional to 233,885.12, 350,824.59 and 56,390.72 is: 84,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,885.12 : 350,824.59 = 56,390.72 : x
  2. Step 2: Convert to fraction form
    233,885.12/350,824.59 = 56,390.72/x
  3. Step 3: Cross multiply
    233,885.12x = 350,824.59 × 56,390.72
  4. Step 4: Simplify right side
    233,885.12x = 19,783,249,469.68
  5. Step 5: Solve for x
    x = 19,783,249,469.68/233,885.12
  6. Step 6: Final answer
    x = 84,585.33

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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.