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Finding the Fourth Proportional to 236,056.68, 325,754.01 and 128,627.64

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Solution

The fourth proportional to 236,056.68, 325,754.01 and 128,627.64 is: 177,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,056.68 : 325,754.01 = 128,627.64 : x
  2. Step 2: Convert to fraction form
    236,056.68/325,754.01 = 128,627.64/x
  3. Step 3: Cross multiply
    236,056.68x = 325,754.01 × 128,627.64
  4. Step 4: Simplify right side
    236,056.68x = 41,900,969,526.84
  5. Step 5: Solve for x
    x = 41,900,969,526.84/236,056.68
  6. Step 6: Final answer
    x = 177,503.85

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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.