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Finding the Fourth Proportional to 169,314.64, 233,664.64 and 93,863.12

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Solution

The fourth proportional to 169,314.64, 233,664.64 and 93,863.12 is: 129,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,314.64 : 233,664.64 = 93,863.12 : x
  2. Step 2: Convert to fraction form
    169,314.64/233,664.64 = 93,863.12/x
  3. Step 3: Cross multiply
    169,314.64x = 233,664.64 × 93,863.12
  4. Step 4: Simplify right side
    169,314.64x = 21,932,492,144.08
  5. Step 5: Solve for x
    x = 21,932,492,144.08/169,314.64
  6. Step 6: Final answer
    x = 129,536.89

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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.