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Finding the Fourth Proportional to 75,608.66, 104,333.16 and 43,779.70

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Solution

The fourth proportional to 75,608.66, 104,333.16 and 43,779.70 is: 60,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,608.66 : 104,333.16 = 43,779.70 : x
  2. Step 2: Convert to fraction form
    75,608.66/104,333.16 = 43,779.70/x
  3. Step 3: Cross multiply
    75,608.66x = 104,333.16 × 43,779.70
  4. Step 4: Simplify right side
    75,608.66x = 4,567,674,444.85
  5. Step 5: Solve for x
    x = 4,567,674,444.85/75,608.66
  6. Step 6: Final answer
    x = 60,412.05

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1.5x scale

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.