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Finding the Fourth Proportional to 176,312.40, 263,885.40 and 123,824.40

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Solution

The fourth proportional to 176,312.40, 263,885.40 and 123,824.40 is: 185,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,312.40 : 263,885.40 = 123,824.40 : x
  2. Step 2: Convert to fraction form
    176,312.40/263,885.40 = 123,824.40/x
  3. Step 3: Cross multiply
    176,312.40x = 263,885.40 × 123,824.40
  4. Step 4: Simplify right side
    176,312.40x = 32,675,451,323.76
  5. Step 5: Solve for x
    x = 32,675,451,323.76/176,312.40
  6. Step 6: Final answer
    x = 185,327.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.