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Finding the Fourth Proportional to 237,507.81, 327,751.95 and 130,078.72

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Solution

The fourth proportional to 237,507.81, 327,751.95 and 130,078.72 is: 179,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,507.81 : 327,751.95 = 130,078.72 : x
  2. Step 2: Convert to fraction form
    237,507.81/327,751.95 = 130,078.72/x
  3. Step 3: Cross multiply
    237,507.81x = 327,751.95 × 130,078.72
  4. Step 4: Simplify right side
    237,507.81x = 42,633,554,133.50
  5. Step 5: Solve for x
    x = 42,633,554,133.50/237,507.81
  6. Step 6: Final answer
    x = 179,503.80

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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.