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Finding the Fourth Proportional to 64,779.28, 97,258.48 and 44,741.80

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Solution

The fourth proportional to 64,779.28, 97,258.48 and 44,741.80 is: 67,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.28 : 97,258.48 = 44,741.80 : x
  2. Step 2: Convert to fraction form
    64,779.28/97,258.48 = 44,741.80/x
  3. Step 3: Cross multiply
    64,779.28x = 97,258.48 × 44,741.80
  4. Step 4: Simplify right side
    64,779.28x = 4,351,519,460.46
  5. Step 5: Solve for x
    x = 4,351,519,460.46/64,779.28
  6. Step 6: Final answer
    x = 67,174.56

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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.