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Finding the Fourth Proportional to 174,065.67, 260,919.81 and 99,026.06

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Solution

The fourth proportional to 174,065.67, 260,919.81 and 99,026.06 is: 148,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,065.67 : 260,919.81 = 99,026.06 : x
  2. Step 2: Convert to fraction form
    174,065.67/260,919.81 = 99,026.06/x
  3. Step 3: Cross multiply
    174,065.67x = 260,919.81 × 99,026.06
  4. Step 4: Simplify right side
    174,065.67x = 25,837,859,455.65
  5. Step 5: Solve for x
    x = 25,837,859,455.65/174,065.67
  6. Step 6: Final answer
    x = 148,437.42

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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.