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Finding the Fourth Proportional to 195,953.43, 292,303.43 and 189,393.83

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Solution

The fourth proportional to 195,953.43, 292,303.43 and 189,393.83 is: 282,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,953.43 : 292,303.43 = 189,393.83 : x
  2. Step 2: Convert to fraction form
    195,953.43/292,303.43 = 189,393.83/x
  3. Step 3: Cross multiply
    195,953.43x = 292,303.43 × 189,393.83
  4. Step 4: Simplify right side
    195,953.43x = 55,360,463,721.35
  5. Step 5: Solve for x
    x = 55,360,463,721.35/195,953.43
  6. Step 6: Final answer
    x = 282,518.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.