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Finding the Fourth Proportional to 168,714.36, 232,816.68 and 93,258

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Solution

The fourth proportional to 168,714.36, 232,816.68 and 93,258 is: 128,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,714.36 : 232,816.68 = 93,258 : x
  2. Step 2: Convert to fraction form
    168,714.36/232,816.68 = 93,258/x
  3. Step 3: Cross multiply
    168,714.36x = 232,816.68 × 93,258
  4. Step 4: Simplify right side
    168,714.36x = 21,712,017,943.44
  5. Step 5: Solve for x
    x = 21,712,017,943.44/168,714.36
  6. Step 6: Final answer
    x = 128,690.99

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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.