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Finding the Fourth Proportional to 88,548, 122,191.80 and 48,261.60

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Solution

The fourth proportional to 88,548, 122,191.80 and 48,261.60 is: 66,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,548 : 122,191.80 = 48,261.60 : x
  2. Step 2: Convert to fraction form
    88,548/122,191.80 = 48,261.60/x
  3. Step 3: Cross multiply
    88,548x = 122,191.80 × 48,261.60
  4. Step 4: Simplify right side
    88,548x = 5,897,171,774.88
  5. Step 5: Solve for x
    x = 5,897,171,774.88/88,548
  6. Step 6: Final answer
    x = 66,598.59

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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.