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Finding the Fourth Proportional to 171,702.15, 257,552.01 and 53,373.30

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Solution

The fourth proportional to 171,702.15, 257,552.01 and 53,373.30 is: 80,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,702.15 : 257,552.01 = 53,373.30 : x
  2. Step 2: Convert to fraction form
    171,702.15/257,552.01 = 53,373.30/x
  3. Step 3: Cross multiply
    171,702.15x = 257,552.01 × 53,373.30
  4. Step 4: Simplify right side
    171,702.15x = 13,746,400,695.33
  5. Step 5: Solve for x
    x = 13,746,400,695.33/171,702.15
  6. Step 6: Final answer
    x = 80,059.57

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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.