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Finding the Fourth Proportional to 255,446.84, 352,527.53 and 142,269.59

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Solution

The fourth proportional to 255,446.84, 352,527.53 and 142,269.59 is: 196,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,446.84 : 352,527.53 = 142,269.59 : x
  2. Step 2: Convert to fraction form
    255,446.84/352,527.53 = 142,269.59/x
  3. Step 3: Cross multiply
    255,446.84x = 352,527.53 × 142,269.59
  4. Step 4: Simplify right side
    255,446.84x = 50,153,944,682.83
  5. Step 5: Solve for x
    x = 50,153,944,682.83/255,446.84
  6. Step 6: Final answer
    x = 196,338.09

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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.