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Finding the Fourth Proportional to 171,702.60, 257,553.90 and 152,675.70

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Solution

The fourth proportional to 171,702.60, 257,553.90 and 152,675.70 is: 229,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,702.60 : 257,553.90 = 152,675.70 : x
  2. Step 2: Convert to fraction form
    171,702.60/257,553.90 = 152,675.70/x
  3. Step 3: Cross multiply
    171,702.60x = 257,553.90 × 152,675.70
  4. Step 4: Simplify right side
    171,702.60x = 39,322,221,970.23
  5. Step 5: Solve for x
    x = 39,322,221,970.23/171,702.60
  6. Step 6: Final answer
    x = 229,013.55

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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.