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Finding the Fourth Proportional to 237,690.50, 328,015.50 and 130,258.24

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Solution

The fourth proportional to 237,690.50, 328,015.50 and 130,258.24 is: 179,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,690.50 : 328,015.50 = 130,258.24 : x
  2. Step 2: Convert to fraction form
    237,690.50/328,015.50 = 130,258.24/x
  3. Step 3: Cross multiply
    237,690.50x = 328,015.50 × 130,258.24
  4. Step 4: Simplify right side
    237,690.50x = 42,726,721,722.72
  5. Step 5: Solve for x
    x = 42,726,721,722.72/237,690.50
  6. Step 6: Final answer
    x = 179,757.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.