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Finding the Fourth Proportional to 255,322.25, 352,291.30 and 147,885.87

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Solution

The fourth proportional to 255,322.25, 352,291.30 and 147,885.87 is: 204,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,322.25 : 352,291.30 = 147,885.87 : x
  2. Step 2: Convert to fraction form
    255,322.25/352,291.30 = 147,885.87/x
  3. Step 3: Cross multiply
    255,322.25x = 352,291.30 × 147,885.87
  4. Step 4: Simplify right side
    255,322.25x = 52,098,905,393.93
  5. Step 5: Solve for x
    x = 52,098,905,393.93/255,322.25
  6. Step 6: Final answer
    x = 204,051.57

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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.