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Finding the Fourth Proportional to 222,569.88, 307,139.76 and 127,057.92

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Solution

The fourth proportional to 222,569.88, 307,139.76 and 127,057.92 is: 175,336.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,569.88 : 307,139.76 = 127,057.92 : x
  2. Step 2: Convert to fraction form
    222,569.88/307,139.76 = 127,057.92/x
  3. Step 3: Cross multiply
    222,569.88x = 307,139.76 × 127,057.92
  4. Step 4: Simplify right side
    222,569.88x = 39,024,539,054.90
  5. Step 5: Solve for x
    x = 39,024,539,054.90/222,569.88
  6. Step 6: Final answer
    x = 175,336.12

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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.