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Finding the Fourth Proportional to 255,505.79, 352,519.94 and 148,055.06

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Solution

The fourth proportional to 255,505.79, 352,519.94 and 148,055.06 is: 204,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,505.79 : 352,519.94 = 148,055.06 : x
  2. Step 2: Convert to fraction form
    255,505.79/352,519.94 = 148,055.06/x
  3. Step 3: Cross multiply
    255,505.79x = 352,519.94 × 148,055.06
  4. Step 4: Simplify right side
    255,505.79x = 52,192,362,119.33
  5. Step 5: Solve for x
    x = 52,192,362,119.33/255,505.79
  6. Step 6: Final answer
    x = 204,270.76

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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.