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Finding the Fourth Proportional to 255,323.25, 352,292.68 and 147,886.87

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Solution

The fourth proportional to 255,323.25, 352,292.68 and 147,886.87 is: 204,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,323.25 : 352,292.68 = 147,886.87 : x
  2. Step 2: Convert to fraction form
    255,323.25/352,292.68 = 147,886.87/x
  3. Step 3: Cross multiply
    255,323.25x = 352,292.68 × 147,886.87
  4. Step 4: Simplify right side
    255,323.25x = 52,099,461,769.11
  5. Step 5: Solve for x
    x = 52,099,461,769.11/255,323.25
  6. Step 6: Final answer
    x = 204,052.95

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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.