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Finding the Fourth Proportional to 236,373.84, 326,200.20 and 128,947.68

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Solution

The fourth proportional to 236,373.84, 326,200.20 and 128,947.68 is: 177,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,373.84 : 326,200.20 = 128,947.68 : x
  2. Step 2: Convert to fraction form
    236,373.84/326,200.20 = 128,947.68/x
  3. Step 3: Cross multiply
    236,373.84x = 326,200.20 × 128,947.68
  4. Step 4: Simplify right side
    236,373.84x = 42,062,759,005.54
  5. Step 5: Solve for x
    x = 42,062,759,005.54/236,373.84
  6. Step 6: Final answer
    x = 177,950.14

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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.