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Finding the Fourth Proportional to 173,316.45, 259,983.90 and 54,997.05

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Solution

The fourth proportional to 173,316.45, 259,983.90 and 54,997.05 is: 82,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,316.45 : 259,983.90 = 54,997.05 : x
  2. Step 2: Convert to fraction form
    173,316.45/259,983.90 = 54,997.05/x
  3. Step 3: Cross multiply
    173,316.45x = 259,983.90 × 54,997.05
  4. Step 4: Simplify right side
    173,316.45x = 14,298,347,547.50
  5. Step 5: Solve for x
    x = 14,298,347,547.50/173,316.45
  6. Step 6: Final answer
    x = 82,498.50

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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.