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Finding the Fourth Proportional to 88,201, 121,725.06 and 48,464.68

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Solution

The fourth proportional to 88,201, 121,725.06 and 48,464.68 is: 66,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,201 : 121,725.06 = 48,464.68 : x
  2. Step 2: Convert to fraction form
    88,201/121,725.06 = 48,464.68/x
  3. Step 3: Cross multiply
    88,201x = 121,725.06 × 48,464.68
  4. Step 4: Simplify right side
    88,201x = 5,899,366,080.88
  5. Step 5: Solve for x
    x = 5,899,366,080.88/88,201
  6. Step 6: Final answer
    x = 66,885.48

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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.