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Finding the Fourth Proportional to 98,303.58, 135,660.87 and 53,591.58

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Solution

The fourth proportional to 98,303.58, 135,660.87 and 53,591.58 is: 73,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,303.58 : 135,660.87 = 53,591.58 : x
  2. Step 2: Convert to fraction form
    98,303.58/135,660.87 = 53,591.58/x
  3. Step 3: Cross multiply
    98,303.58x = 135,660.87 × 53,591.58
  4. Step 4: Simplify right side
    98,303.58x = 7,270,280,367.47
  5. Step 5: Solve for x
    x = 7,270,280,367.47/98,303.58
  6. Step 6: Final answer
    x = 73,957.43

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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.