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Finding the Fourth Proportional to 163,073.44, 225,043.64 and 98,533.72

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Solution

The fourth proportional to 163,073.44, 225,043.64 and 98,533.72 is: 135,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,073.44 : 225,043.64 = 98,533.72 : x
  2. Step 2: Convert to fraction form
    163,073.44/225,043.64 = 98,533.72/x
  3. Step 3: Cross multiply
    163,073.44x = 225,043.64 × 98,533.72
  4. Step 4: Simplify right side
    163,073.44x = 22,174,387,011.54
  5. Step 5: Solve for x
    x = 22,174,387,011.54/163,073.44
  6. Step 6: Final answer
    x = 135,977.92

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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.