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Finding the Fourth Proportional to 255,542.50, 352,633.98 and 146,623.78

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Solution

The fourth proportional to 255,542.50, 352,633.98 and 146,623.78 is: 202,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,542.50 : 352,633.98 = 146,623.78 : x
  2. Step 2: Convert to fraction form
    255,542.50/352,633.98 = 146,623.78/x
  3. Step 3: Cross multiply
    255,542.50x = 352,633.98 × 146,623.78
  4. Step 4: Simplify right side
    255,542.50x = 51,704,527,104.04
  5. Step 5: Solve for x
    x = 51,704,527,104.04/255,542.50
  6. Step 6: Final answer
    x = 202,332.40

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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.