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Finding the Fourth Proportional to 222,575.59, 307,153.24 and 121,973.59

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Solution

The fourth proportional to 222,575.59, 307,153.24 and 121,973.59 is: 168,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,575.59 : 307,153.24 = 121,973.59 : x
  2. Step 2: Convert to fraction form
    222,575.59/307,153.24 = 121,973.59/x
  3. Step 3: Cross multiply
    222,575.59x = 307,153.24 × 121,973.59
  4. Step 4: Simplify right side
    222,575.59x = 37,464,583,362.93
  5. Step 5: Solve for x
    x = 37,464,583,362.93/222,575.59
  6. Step 6: Final answer
    x = 168,322.97

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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.