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Finding the Fourth Proportional to 60,779.62, 91,201.02 and 45,984.16

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Solution

The fourth proportional to 60,779.62, 91,201.02 and 45,984.16 is: 69,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,779.62 : 91,201.02 = 45,984.16 : x
  2. Step 2: Convert to fraction form
    60,779.62/91,201.02 = 45,984.16/x
  3. Step 3: Cross multiply
    60,779.62x = 91,201.02 × 45,984.16
  4. Step 4: Simplify right side
    60,779.62x = 4,193,802,295.84
  5. Step 5: Solve for x
    x = 4,193,802,295.84/60,779.62
  6. Step 6: Final answer
    x = 69,000.14

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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.