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Finding the Fourth Proportional to 222,881.90, 307,502.22 and 127,320.94

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Solution

The fourth proportional to 222,881.90, 307,502.22 and 127,320.94 is: 175,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,881.90 : 307,502.22 = 127,320.94 : x
  2. Step 2: Convert to fraction form
    222,881.90/307,502.22 = 127,320.94/x
  3. Step 3: Cross multiply
    222,881.90x = 307,502.22 × 127,320.94
  4. Step 4: Simplify right side
    222,881.90x = 39,151,471,702.49
  5. Step 5: Solve for x
    x = 39,151,471,702.49/222,881.90
  6. Step 6: Final answer
    x = 175,660.17

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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.