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Finding the Fourth Proportional to 255,476.69, 352,557.93 and 148,108.97

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Solution

The fourth proportional to 255,476.69, 352,557.93 and 148,108.97 is: 204,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,476.69 : 352,557.93 = 148,108.97 : x
  2. Step 2: Convert to fraction form
    255,476.69/352,557.93 = 148,108.97/x
  3. Step 3: Cross multiply
    255,476.69x = 352,557.93 × 148,108.97
  4. Step 4: Simplify right side
    255,476.69x = 52,216,990,114.84
  5. Step 5: Solve for x
    x = 52,216,990,114.84/255,476.69
  6. Step 6: Final answer
    x = 204,390.43

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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.