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Finding the Fourth Proportional to 254,373.55, 351,036.86 and 158,935.60

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Solution

The fourth proportional to 254,373.55, 351,036.86 and 158,935.60 is: 219,331.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,373.55 : 351,036.86 = 158,935.60 : x
  2. Step 2: Convert to fraction form
    254,373.55/351,036.86 = 158,935.60/x
  3. Step 3: Cross multiply
    254,373.55x = 351,036.86 × 158,935.60
  4. Step 4: Simplify right side
    254,373.55x = 55,792,253,171.54
  5. Step 5: Solve for x
    x = 55,792,253,171.54/254,373.55
  6. Step 6: Final answer
    x = 219,331.98

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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.