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Finding the Fourth Proportional to 88,482, 122,104.12 and 48,195.64

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Solution

The fourth proportional to 88,482, 122,104.12 and 48,195.64 is: 66,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,482 : 122,104.12 = 48,195.64 : x
  2. Step 2: Convert to fraction form
    88,482/122,104.12 = 48,195.64/x
  3. Step 3: Cross multiply
    88,482x = 122,104.12 × 48,195.64
  4. Step 4: Simplify right side
    88,482x = 5,884,886,210.04
  5. Step 5: Solve for x
    x = 5,884,886,210.04/88,482
  6. Step 6: Final answer
    x = 66,509.42

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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.