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Finding the Fourth Proportional to 237,648.80, 327,953.48 and 130,218.57

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Solution

The fourth proportional to 237,648.80, 327,953.48 and 130,218.57 is: 179,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,648.80 : 327,953.48 = 130,218.57 : x
  2. Step 2: Convert to fraction form
    237,648.80/327,953.48 = 130,218.57/x
  3. Step 3: Cross multiply
    237,648.80x = 327,953.48 × 130,218.57
  4. Step 4: Simplify right side
    237,648.80x = 42,705,632,541.03
  5. Step 5: Solve for x
    x = 42,705,632,541.03/237,648.80
  6. Step 6: Final answer
    x = 179,700.60

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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.