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Finding the Fourth Proportional to 251,752.58, 347,425.96 and 137,038.71

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Solution

The fourth proportional to 251,752.58, 347,425.96 and 137,038.71 is: 189,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,752.58 : 347,425.96 = 137,038.71 : x
  2. Step 2: Convert to fraction form
    251,752.58/347,425.96 = 137,038.71/x
  3. Step 3: Cross multiply
    251,752.58x = 347,425.96 × 137,038.71
  4. Step 4: Simplify right side
    251,752.58x = 47,610,805,185.37
  5. Step 5: Solve for x
    x = 47,610,805,185.37/251,752.58
  6. Step 6: Final answer
    x = 189,117.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.