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Finding the Fourth Proportional to 255,325.25, 352,295.44 and 147,888.87

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Solution

The fourth proportional to 255,325.25, 352,295.44 and 147,888.87 is: 204,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,325.25 : 352,295.44 = 147,888.87 : x
  2. Step 2: Convert to fraction form
    255,325.25/352,295.44 = 147,888.87/x
  3. Step 3: Cross multiply
    255,325.25x = 352,295.44 × 147,888.87
  4. Step 4: Simplify right side
    255,325.25x = 52,100,574,527.75
  5. Step 5: Solve for x
    x = 52,100,574,527.75/255,325.25
  6. Step 6: Final answer
    x = 204,055.71

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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.