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Finding the Fourth Proportional to 126,473.52, 174,533.40 and 69,884.40

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Solution

The fourth proportional to 126,473.52, 174,533.40 and 69,884.40 is: 96,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.52 : 174,533.40 = 69,884.40 : x
  2. Step 2: Convert to fraction form
    126,473.52/174,533.40 = 69,884.40/x
  3. Step 3: Cross multiply
    126,473.52x = 174,533.40 × 69,884.40
  4. Step 4: Simplify right side
    126,473.52x = 12,197,161,938.96
  5. Step 5: Solve for x
    x = 12,197,161,938.96/126,473.52
  6. Step 6: Final answer
    x = 96,440.44

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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.