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Finding the Fourth Proportional to 247,709.07, 341,838.23 and 134,531.01

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Solution

The fourth proportional to 247,709.07, 341,838.23 and 134,531.01 is: 185,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,709.07 : 341,838.23 = 134,531.01 : x
  2. Step 2: Convert to fraction form
    247,709.07/341,838.23 = 134,531.01/x
  3. Step 3: Cross multiply
    247,709.07x = 341,838.23 × 134,531.01
  4. Step 4: Simplify right side
    247,709.07x = 45,987,841,665.86
  5. Step 5: Solve for x
    x = 45,987,841,665.86/247,709.07
  6. Step 6: Final answer
    x = 185,652.64

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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.