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Finding the Fourth Proportional to 181,172.40, 270,538.57 and 147,958.35

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Solution

The fourth proportional to 181,172.40, 270,538.57 and 147,958.35 is: 220,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,172.40 : 270,538.57 = 147,958.35 : x
  2. Step 2: Convert to fraction form
    181,172.40/270,538.57 = 147,958.35/x
  3. Step 3: Cross multiply
    181,172.40x = 270,538.57 × 147,958.35
  4. Step 4: Simplify right side
    181,172.40x = 40,028,440,058.66
  5. Step 5: Solve for x
    x = 40,028,440,058.66/181,172.40
  6. Step 6: Final answer
    x = 220,941.16

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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.