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Finding the Fourth Proportional to 140,548.58, 210,825.94 and 56,348.40

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Solution

The fourth proportional to 140,548.58, 210,825.94 and 56,348.40 is: 84,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,548.58 : 210,825.94 = 56,348.40 : x
  2. Step 2: Convert to fraction form
    140,548.58/210,825.94 = 56,348.40/x
  3. Step 3: Cross multiply
    140,548.58x = 210,825.94 × 56,348.40
  4. Step 4: Simplify right side
    140,548.58x = 11,879,703,343.37
  5. Step 5: Solve for x
    x = 11,879,703,343.37/140,548.58
  6. Step 6: Final answer
    x = 84,523.82

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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.