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Finding the Fourth Proportional to 222,928.77, 307,641.72 and 127,437.52

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Solution

The fourth proportional to 222,928.77, 307,641.72 and 127,437.52 is: 175,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,928.77 : 307,641.72 = 127,437.52 : x
  2. Step 2: Convert to fraction form
    222,928.77/307,641.72 = 127,437.52/x
  3. Step 3: Cross multiply
    222,928.77x = 307,641.72 × 127,437.52
  4. Step 4: Simplify right side
    222,928.77x = 39,205,096,474.67
  5. Step 5: Solve for x
    x = 39,205,096,474.67/222,928.77
  6. Step 6: Final answer
    x = 175,863.78

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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.