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Finding the Fourth Proportional to 256,069.82, 353,357.44 and 148,622.51

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Solution

The fourth proportional to 256,069.82, 353,357.44 and 148,622.51 is: 205,088.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,069.82 : 353,357.44 = 148,622.51 : x
  2. Step 2: Convert to fraction form
    256,069.82/353,357.44 = 148,622.51/x
  3. Step 3: Cross multiply
    256,069.82x = 353,357.44 × 148,622.51
  4. Step 4: Simplify right side
    256,069.82x = 52,516,870,171.81
  5. Step 5: Solve for x
    x = 52,516,870,171.81/256,069.82
  6. Step 6: Final answer
    x = 205,088.09

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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.