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Finding the Fourth Proportional to 255,503.93, 352,517.36 and 148,053.20

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Solution

The fourth proportional to 255,503.93, 352,517.36 and 148,053.20 is: 204,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,503.93 : 352,517.36 = 148,053.20 : x
  2. Step 2: Convert to fraction form
    255,503.93/352,517.36 = 148,053.20/x
  3. Step 3: Cross multiply
    255,503.93x = 352,517.36 × 148,053.20
  4. Step 4: Simplify right side
    255,503.93x = 52,191,320,700.70
  5. Step 5: Solve for x
    x = 52,191,320,700.70/255,503.93
  6. Step 6: Final answer
    x = 204,268.18

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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.