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Finding the Fourth Proportional to 182,440.32, 273,712.32 and 128,630.40

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Solution

The fourth proportional to 182,440.32, 273,712.32 and 128,630.40 is: 192,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,440.32 : 273,712.32 = 128,630.40 : x
  2. Step 2: Convert to fraction form
    182,440.32/273,712.32 = 128,630.40/x
  3. Step 3: Cross multiply
    182,440.32x = 273,712.32 × 128,630.40
  4. Step 4: Simplify right side
    182,440.32x = 35,207,725,206.53
  5. Step 5: Solve for x
    x = 35,207,725,206.53/182,440.32
  6. Step 6: Final answer
    x = 192,982.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.