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Finding the Fourth Proportional to 219,545.70, 302,965.32 and 124,050.32

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Solution

The fourth proportional to 219,545.70, 302,965.32 and 124,050.32 is: 171,185.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,545.70 : 302,965.32 = 124,050.32 : x
  2. Step 2: Convert to fraction form
    219,545.70/302,965.32 = 124,050.32/x
  3. Step 3: Cross multiply
    219,545.70x = 302,965.32 × 124,050.32
  4. Step 4: Simplify right side
    219,545.70x = 37,582,944,894.90
  5. Step 5: Solve for x
    x = 37,582,944,894.90/219,545.70
  6. Step 6: Final answer
    x = 171,185.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.