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Finding the Fourth Proportional to 173,415.60, 259,979.40 and 73,652.40

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Solution

The fourth proportional to 173,415.60, 259,979.40 and 73,652.40 is: 110,417.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,415.60 : 259,979.40 = 73,652.40 : x
  2. Step 2: Convert to fraction form
    173,415.60/259,979.40 = 73,652.40/x
  3. Step 3: Cross multiply
    173,415.60x = 259,979.40 × 73,652.40
  4. Step 4: Simplify right side
    173,415.60x = 19,148,106,760.56
  5. Step 5: Solve for x
    x = 19,148,106,760.56/173,415.60
  6. Step 6: Final answer
    x = 110,417.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.