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Finding the Fourth Proportional to 255,123.57, 352,113.68 and 147,758.88

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Solution

The fourth proportional to 255,123.57, 352,113.68 and 147,758.88 is: 203,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,123.57 : 352,113.68 = 147,758.88 : x
  2. Step 2: Convert to fraction form
    255,123.57/352,113.68 = 147,758.88/x
  3. Step 3: Cross multiply
    255,123.57x = 352,113.68 × 147,758.88
  4. Step 4: Simplify right side
    255,123.57x = 52,027,924,679.30
  5. Step 5: Solve for x
    x = 52,027,924,679.30/255,123.57
  6. Step 6: Final answer
    x = 203,932.25

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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.