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Finding the Fourth Proportional to 255,583.35, 352,690.63 and 140,861.63

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Solution

The fourth proportional to 255,583.35, 352,690.63 and 140,861.63 is: 194,381.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,583.35 : 352,690.63 = 140,861.63 : x
  2. Step 2: Convert to fraction form
    255,583.35/352,690.63 = 140,861.63/x
  3. Step 3: Cross multiply
    255,583.35x = 352,690.63 × 140,861.63
  4. Step 4: Simplify right side
    255,583.35x = 49,680,577,027.53
  5. Step 5: Solve for x
    x = 49,680,577,027.53/255,583.35
  6. Step 6: Final answer
    x = 194,381.12

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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.