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Finding the Fourth Proportional to 222,773.82, 307,428.39 and 127,280.22

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Solution

The fourth proportional to 222,773.82, 307,428.39 and 127,280.22 is: 175,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,773.82 : 307,428.39 = 127,280.22 : x
  2. Step 2: Convert to fraction form
    222,773.82/307,428.39 = 127,280.22/x
  3. Step 3: Cross multiply
    222,773.82x = 307,428.39 × 127,280.22
  4. Step 4: Simplify right side
    222,773.82x = 39,129,553,113.45
  5. Step 5: Solve for x
    x = 39,129,553,113.45/222,773.82
  6. Step 6: Final answer
    x = 175,647.00

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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.