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Finding the Fourth Proportional to 168,515.64, 232,551.72 and 93,064.08

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Solution

The fourth proportional to 168,515.64, 232,551.72 and 93,064.08 is: 128,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,515.64 : 232,551.72 = 93,064.08 : x
  2. Step 2: Convert to fraction form
    168,515.64/232,551.72 = 93,064.08/x
  3. Step 3: Cross multiply
    168,515.64x = 232,551.72 × 93,064.08
  4. Step 4: Simplify right side
    168,515.64x = 21,642,211,874.22
  5. Step 5: Solve for x
    x = 21,642,211,874.22/168,515.64
  6. Step 6: Final answer
    x = 128,428.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.