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Finding the Fourth Proportional to 247,411.68, 341,426.64 and 134,232

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Solution

The fourth proportional to 247,411.68, 341,426.64 and 134,232 is: 185,239.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,411.68 : 341,426.64 = 134,232 : x
  2. Step 2: Convert to fraction form
    247,411.68/341,426.64 = 134,232/x
  3. Step 3: Cross multiply
    247,411.68x = 341,426.64 × 134,232
  4. Step 4: Simplify right side
    247,411.68x = 45,830,380,740.48
  5. Step 5: Solve for x
    x = 45,830,380,740.48/247,411.68
  6. Step 6: Final answer
    x = 185,239.36

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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.