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Finding the Fourth Proportional to 237,432.78, 327,656.04 and 130,000.86

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Solution

The fourth proportional to 237,432.78, 327,656.04 and 130,000.86 is: 179,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,432.78 : 327,656.04 = 130,000.86 : x
  2. Step 2: Convert to fraction form
    237,432.78/327,656.04 = 130,000.86/x
  3. Step 3: Cross multiply
    237,432.78x = 327,656.04 × 130,000.86
  4. Step 4: Simplify right side
    237,432.78x = 42,595,566,984.19
  5. Step 5: Solve for x
    x = 42,595,566,984.19/237,432.78
  6. Step 6: Final answer
    x = 179,400.53

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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.