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Finding the Fourth Proportional to 222,599.63, 307,127.71 and 127,087.31

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Solution

The fourth proportional to 222,599.63, 307,127.71 and 127,087.31 is: 175,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,599.63 : 307,127.71 = 127,087.31 : x
  2. Step 2: Convert to fraction form
    222,599.63/307,127.71 = 127,087.31/x
  3. Step 3: Cross multiply
    222,599.63x = 307,127.71 × 127,087.31
  4. Step 4: Simplify right side
    222,599.63x = 39,032,034,490.36
  5. Step 5: Solve for x
    x = 39,032,034,490.36/222,599.63
  6. Step 6: Final answer
    x = 175,346.36

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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.