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Finding the Fourth Proportional to 176,013.60, 263,847.60 and 87,280.80

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Solution

The fourth proportional to 176,013.60, 263,847.60 and 87,280.80 is: 130,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,013.60 : 263,847.60 = 87,280.80 : x
  2. Step 2: Convert to fraction form
    176,013.60/263,847.60 = 87,280.80/x
  3. Step 3: Cross multiply
    176,013.60x = 263,847.60 × 87,280.80
  4. Step 4: Simplify right side
    176,013.60x = 23,028,829,606.08
  5. Step 5: Solve for x
    x = 23,028,829,606.08/176,013.60
  6. Step 6: Final answer
    x = 130,835.51

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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.