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Finding the Fourth Proportional to 255,477.69, 352,559.31 and 148,109.97

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Solution

The fourth proportional to 255,477.69, 352,559.31 and 148,109.97 is: 204,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,477.69 : 352,559.31 = 148,109.97 : x
  2. Step 2: Convert to fraction form
    255,477.69/352,559.31 = 148,109.97/x
  3. Step 3: Cross multiply
    255,477.69x = 352,559.31 × 148,109.97
  4. Step 4: Simplify right side
    255,477.69x = 52,217,548,827.32
  5. Step 5: Solve for x
    x = 52,217,548,827.32/255,477.69
  6. Step 6: Final answer
    x = 204,391.82

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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.