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Finding the Fourth Proportional to 186,613.44, 257,533.44 and 106,054.56

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Solution

The fourth proportional to 186,613.44, 257,533.44 and 106,054.56 is: 146,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,613.44 : 257,533.44 = 106,054.56 : x
  2. Step 2: Convert to fraction form
    186,613.44/257,533.44 = 106,054.56/x
  3. Step 3: Cross multiply
    186,613.44x = 257,533.44 × 106,054.56
  4. Step 4: Simplify right side
    186,613.44x = 27,312,595,664.49
  5. Step 5: Solve for x
    x = 27,312,595,664.49/186,613.44
  6. Step 6: Final answer
    x = 146,359.21

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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.