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Finding the Fourth Proportional to 247,636.16, 341,728.32 and 134,456.32

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Solution

The fourth proportional to 247,636.16, 341,728.32 and 134,456.32 is: 185,544.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,636.16 : 341,728.32 = 134,456.32 : x
  2. Step 2: Convert to fraction form
    247,636.16/341,728.32 = 134,456.32/x
  3. Step 3: Cross multiply
    247,636.16x = 341,728.32 × 134,456.32
  4. Step 4: Simplify right side
    247,636.16x = 45,947,532,346.98
  5. Step 5: Solve for x
    x = 45,947,532,346.98/247,636.16
  6. Step 6: Final answer
    x = 185,544.52

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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.