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Finding the Fourth Proportional to 222,673.88, 307,281.72 and 120,697.15

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Solution

The fourth proportional to 222,673.88, 307,281.72 and 120,697.15 is: 166,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,673.88 : 307,281.72 = 120,697.15 : x
  2. Step 2: Convert to fraction form
    222,673.88/307,281.72 = 120,697.15/x
  3. Step 3: Cross multiply
    222,673.88x = 307,281.72 × 120,697.15
  4. Step 4: Simplify right side
    222,673.88x = 37,088,026,630.28
  5. Step 5: Solve for x
    x = 37,088,026,630.28/222,673.88
  6. Step 6: Final answer
    x = 166,557.60

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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.