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Finding the Fourth Proportional to 171,263.60, 256,895.40 and 156,748.40

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Solution

The fourth proportional to 171,263.60, 256,895.40 and 156,748.40 is: 235,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,263.60 : 256,895.40 = 156,748.40 : x
  2. Step 2: Convert to fraction form
    171,263.60/256,895.40 = 156,748.40/x
  3. Step 3: Cross multiply
    171,263.60x = 256,895.40 × 156,748.40
  4. Step 4: Simplify right side
    171,263.60x = 40,267,942,917.36
  5. Step 5: Solve for x
    x = 40,267,942,917.36/171,263.60
  6. Step 6: Final answer
    x = 235,122.60

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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.