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Finding the Fourth Proportional to 171,437.67, 257,084.37 and 64,803.69

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Solution

The fourth proportional to 171,437.67, 257,084.37 and 64,803.69 is: 97,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,437.67 : 257,084.37 = 64,803.69 : x
  2. Step 2: Convert to fraction form
    171,437.67/257,084.37 = 64,803.69/x
  3. Step 3: Cross multiply
    171,437.67x = 257,084.37 × 64,803.69
  4. Step 4: Simplify right side
    171,437.67x = 16,660,015,817.33
  5. Step 5: Solve for x
    x = 16,660,015,817.33/171,437.67
  6. Step 6: Final answer
    x = 97,178.27

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1.5x scale

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.