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Finding the Fourth Proportional to 181,172.32, 270,538.46 and 147,958.27

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Solution

The fourth proportional to 181,172.32, 270,538.46 and 147,958.27 is: 220,941.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,172.32 : 270,538.46 = 147,958.27 : x
  2. Step 2: Convert to fraction form
    181,172.32/270,538.46 = 147,958.27/x
  3. Step 3: Cross multiply
    181,172.32x = 270,538.46 × 147,958.27
  4. Step 4: Simplify right side
    181,172.32x = 40,028,402,510.06
  5. Step 5: Solve for x
    x = 40,028,402,510.06/181,172.32
  6. Step 6: Final answer
    x = 220,941.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.