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Finding the Fourth Proportional to 173,145.90, 259,524.45 and 73,289.10

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Solution

The fourth proportional to 173,145.90, 259,524.45 and 73,289.10 is: 109,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,145.90 : 259,524.45 = 73,289.10 : x
  2. Step 2: Convert to fraction form
    173,145.90/259,524.45 = 73,289.10/x
  3. Step 3: Cross multiply
    173,145.90x = 259,524.45 × 73,289.10
  4. Step 4: Simplify right side
    173,145.90x = 19,020,313,368.50
  5. Step 5: Solve for x
    x = 19,020,313,368.50/173,145.90
  6. Step 6: Final answer
    x = 109,851.36

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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.