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Finding the Fourth Proportional to 171,957.06, 257,847.78 and 101,018.25

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Solution

The fourth proportional to 171,957.06, 257,847.78 and 101,018.25 is: 151,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,957.06 : 257,847.78 = 101,018.25 : x
  2. Step 2: Convert to fraction form
    171,957.06/257,847.78 = 101,018.25/x
  3. Step 3: Cross multiply
    171,957.06x = 257,847.78 × 101,018.25
  4. Step 4: Simplify right side
    171,957.06x = 26,047,331,501.99
  5. Step 5: Solve for x
    x = 26,047,331,501.99/171,957.06
  6. Step 6: Final answer
    x = 151,475.79

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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.