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Finding the Fourth Proportional to 236,802.64, 326,788.36 and 136,194

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Solution

The fourth proportional to 236,802.64, 326,788.36 and 136,194 is: 187,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,802.64 : 326,788.36 = 136,194 : x
  2. Step 2: Convert to fraction form
    236,802.64/326,788.36 = 136,194/x
  3. Step 3: Cross multiply
    236,802.64x = 326,788.36 × 136,194
  4. Step 4: Simplify right side
    236,802.64x = 44,506,613,901.84
  5. Step 5: Solve for x
    x = 44,506,613,901.84/236,802.64
  6. Step 6: Final answer
    x = 187,948.13

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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.