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Finding the Fourth Proportional to 308,701.33, 463,135.12 and 158,859.93

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Solution

The fourth proportional to 308,701.33, 463,135.12 and 158,859.93 is: 238,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,701.33 : 463,135.12 = 158,859.93 : x
  2. Step 2: Convert to fraction form
    308,701.33/463,135.12 = 158,859.93/x
  3. Step 3: Cross multiply
    308,701.33x = 463,135.12 × 158,859.93
  4. Step 4: Simplify right side
    308,701.33x = 73,573,614,083.35
  5. Step 5: Solve for x
    x = 73,573,614,083.35/308,701.33
  6. Step 6: Final answer
    x = 238,332.68

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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.