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Finding the Fourth Proportional to 79,603.60, 119,232.60 and 65,779.60

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Solution

The fourth proportional to 79,603.60, 119,232.60 and 65,779.60 is: 98,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,603.60 : 119,232.60 = 65,779.60 : x
  2. Step 2: Convert to fraction form
    79,603.60/119,232.60 = 65,779.60/x
  3. Step 3: Cross multiply
    79,603.60x = 119,232.60 × 65,779.60
  4. Step 4: Simplify right side
    79,603.60x = 7,843,072,734.96
  5. Step 5: Solve for x
    x = 7,843,072,734.96/79,603.60
  6. Step 6: Final answer
    x = 98,526.61

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1.5x scale

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.