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Finding the Fourth Proportional to 237,975.96, 328,403.74 and 136,000.24

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Solution

The fourth proportional to 237,975.96, 328,403.74 and 136,000.24 is: 187,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,975.96 : 328,403.74 = 136,000.24 : x
  2. Step 2: Convert to fraction form
    237,975.96/328,403.74 = 136,000.24/x
  3. Step 3: Cross multiply
    237,975.96x = 328,403.74 × 136,000.24
  4. Step 4: Simplify right side
    237,975.96x = 44,662,987,456.90
  5. Step 5: Solve for x
    x = 44,662,987,456.90/237,975.96
  6. Step 6: Final answer
    x = 187,678.57

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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.