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Finding the Fourth Proportional to 253,240.94, 349,130.51 and 162,439.29

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Solution

The fourth proportional to 253,240.94, 349,130.51 and 162,439.29 is: 223,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,240.94 : 349,130.51 = 162,439.29 : x
  2. Step 2: Convert to fraction form
    253,240.94/349,130.51 = 162,439.29/x
  3. Step 3: Cross multiply
    253,240.94x = 349,130.51 × 162,439.29
  4. Step 4: Simplify right side
    253,240.94x = 56,712,511,349.54
  5. Step 5: Solve for x
    x = 56,712,511,349.54/253,240.94
  6. Step 6: Final answer
    x = 223,946.86

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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.