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Finding the Fourth Proportional to 173,048.40, 259,726.20 and 148,165.20

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Solution

The fourth proportional to 173,048.40, 259,726.20 and 148,165.20 is: 222,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,048.40 : 259,726.20 = 148,165.20 : x
  2. Step 2: Convert to fraction form
    173,048.40/259,726.20 = 148,165.20/x
  3. Step 3: Cross multiply
    173,048.40x = 259,726.20 × 148,165.20
  4. Step 4: Simplify right side
    173,048.40x = 38,482,384,368.24
  5. Step 5: Solve for x
    x = 38,482,384,368.24/173,048.40
  6. Step 6: Final answer
    x = 222,379.31

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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.