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Finding the Fourth Proportional to 236,490.72, 325,802.70 and 164,740.92

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Solution

The fourth proportional to 236,490.72, 325,802.70 and 164,740.92 is: 226,956.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,490.72 : 325,802.70 = 164,740.92 : x
  2. Step 2: Convert to fraction form
    236,490.72/325,802.70 = 164,740.92/x
  3. Step 3: Cross multiply
    236,490.72x = 325,802.70 × 164,740.92
  4. Step 4: Simplify right side
    236,490.72x = 53,673,036,536.48
  5. Step 5: Solve for x
    x = 53,673,036,536.48/236,490.72
  6. Step 6: Final answer
    x = 226,956.21

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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.