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Finding the Fourth Proportional to 76,094.80, 105,030.75 and 43,833.13

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Solution

The fourth proportional to 76,094.80, 105,030.75 and 43,833.13 is: 60,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,094.80 : 105,030.75 = 43,833.13 : x
  2. Step 2: Convert to fraction form
    76,094.80/105,030.75 = 43,833.13/x
  3. Step 3: Cross multiply
    76,094.80x = 105,030.75 × 43,833.13
  4. Step 4: Simplify right side
    76,094.80x = 4,603,826,420.54
  5. Step 5: Solve for x
    x = 4,603,826,420.54/76,094.80
  6. Step 6: Final answer
    x = 60,501.20

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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.