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Finding the Fourth Proportional to 64,062.58, 96,094.21 and 42,015.57

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Solution

The fourth proportional to 64,062.58, 96,094.21 and 42,015.57 is: 63,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.58 : 96,094.21 = 42,015.57 : x
  2. Step 2: Convert to fraction form
    64,062.58/96,094.21 = 42,015.57/x
  3. Step 3: Cross multiply
    64,062.58x = 96,094.21 × 42,015.57
  4. Step 4: Simplify right side
    64,062.58x = 4,037,452,316.30
  5. Step 5: Solve for x
    x = 4,037,452,316.30/64,062.58
  6. Step 6: Final answer
    x = 63,023.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.