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Finding the Fourth Proportional to 171,935.70, 257,411.48 and 152,252.70

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Solution

The fourth proportional to 171,935.70, 257,411.48 and 152,252.70 is: 227,943.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,935.70 : 257,411.48 = 152,252.70 : x
  2. Step 2: Convert to fraction form
    171,935.70/257,411.48 = 152,252.70/x
  3. Step 3: Cross multiply
    171,935.70x = 257,411.48 × 152,252.70
  4. Step 4: Simplify right side
    171,935.70x = 39,191,592,079.73
  5. Step 5: Solve for x
    x = 39,191,592,079.73/171,935.70
  6. Step 6: Final answer
    x = 227,943.31

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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.