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Finding the Fourth Proportional to 118,020.20, 176,835.90 and 58,728.20

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Solution

The fourth proportional to 118,020.20, 176,835.90 and 58,728.20 is: 87,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,020.20 : 176,835.90 = 58,728.20 : x
  2. Step 2: Convert to fraction form
    118,020.20/176,835.90 = 58,728.20/x
  3. Step 3: Cross multiply
    118,020.20x = 176,835.90 × 58,728.20
  4. Step 4: Simplify right side
    118,020.20x = 10,385,254,102.38
  5. Step 5: Solve for x
    x = 10,385,254,102.38/118,020.20
  6. Step 6: Final answer
    x = 87,995.56

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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.