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Finding the Fourth Proportional to 174,490.92, 260,554.35 and 138,548.94

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Solution

The fourth proportional to 174,490.92, 260,554.35 and 138,548.94 is: 206,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,490.92 : 260,554.35 = 138,548.94 : x
  2. Step 2: Convert to fraction form
    174,490.92/260,554.35 = 138,548.94/x
  3. Step 3: Cross multiply
    174,490.92x = 260,554.35 × 138,548.94
  4. Step 4: Simplify right side
    174,490.92x = 36,099,529,004.89
  5. Step 5: Solve for x
    x = 36,099,529,004.89/174,490.92
  6. Step 6: Final answer
    x = 206,884.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.