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Finding the Fourth Proportional to 222,774.98, 307,445.76 and 127,279.62

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Solution

The fourth proportional to 222,774.98, 307,445.76 and 127,279.62 is: 175,655.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,774.98 : 307,445.76 = 127,279.62 : x
  2. Step 2: Convert to fraction form
    222,774.98/307,445.76 = 127,279.62/x
  3. Step 3: Cross multiply
    222,774.98x = 307,445.76 × 127,279.62
  4. Step 4: Simplify right side
    222,774.98x = 39,131,579,503.41
  5. Step 5: Solve for x
    x = 39,131,579,503.41/222,774.98
  6. Step 6: Final answer
    x = 175,655.19

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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.