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Finding the Fourth Proportional to 222,597.84, 307,129.92 and 131,975.04

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Solution

The fourth proportional to 222,597.84, 307,129.92 and 131,975.04 is: 182,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,597.84 : 307,129.92 = 131,975.04 : x
  2. Step 2: Convert to fraction form
    222,597.84/307,129.92 = 131,975.04/x
  3. Step 3: Cross multiply
    222,597.84x = 307,129.92 × 131,975.04
  4. Step 4: Simplify right side
    222,597.84x = 40,533,483,477.20
  5. Step 5: Solve for x
    x = 40,533,483,477.20/222,597.84
  6. Step 6: Final answer
    x = 182,092.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.