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Finding the Fourth Proportional to 167,125.64, 250,765.00 and 72,384.80

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Solution

The fourth proportional to 167,125.64, 250,765.00 and 72,384.80 is: 108,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,125.64 : 250,765.00 = 72,384.80 : x
  2. Step 2: Convert to fraction form
    167,125.64/250,765.00 = 72,384.80/x
  3. Step 3: Cross multiply
    167,125.64x = 250,765.00 × 72,384.80
  4. Step 4: Simplify right side
    167,125.64x = 18,151,573,184.42
  5. Step 5: Solve for x
    x = 18,151,573,184.42/167,125.64
  6. Step 6: Final answer
    x = 108,610.35

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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.