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Finding the Fourth Proportional to 64,099.58, 88,458.35 and 35,419.90

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Solution

The fourth proportional to 64,099.58, 88,458.35 and 35,419.90 is: 48,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,099.58 : 88,458.35 = 35,419.90 : x
  2. Step 2: Convert to fraction form
    64,099.58/88,458.35 = 35,419.90/x
  3. Step 3: Cross multiply
    64,099.58x = 88,458.35 × 35,419.90
  4. Step 4: Simplify right side
    64,099.58x = 3,133,186,190.46
  5. Step 5: Solve for x
    x = 3,133,186,190.46/64,099.58
  6. Step 6: Final answer
    x = 48,879.98

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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.