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Finding the Fourth Proportional to 171,303.75, 257,056.88 and 95,465.61

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Solution

The fourth proportional to 171,303.75, 257,056.88 and 95,465.61 is: 143,254.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,303.75 : 257,056.88 = 95,465.61 : x
  2. Step 2: Convert to fraction form
    171,303.75/257,056.88 = 95,465.61/x
  3. Step 3: Cross multiply
    171,303.75x = 257,056.88 × 95,465.61
  4. Step 4: Simplify right side
    171,303.75x = 24,540,091,376.57
  5. Step 5: Solve for x
    x = 24,540,091,376.57/171,303.75
  6. Step 6: Final answer
    x = 143,254.84

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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.