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Finding the Fourth Proportional to 76,807.08, 105,994.08 and 44,969.76

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Solution

The fourth proportional to 76,807.08, 105,994.08 and 44,969.76 is: 62,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.08 : 105,994.08 = 44,969.76 : x
  2. Step 2: Convert to fraction form
    76,807.08/105,994.08 = 44,969.76/x
  3. Step 3: Cross multiply
    76,807.08x = 105,994.08 × 44,969.76
  4. Step 4: Simplify right side
    76,807.08x = 4,766,528,339.02
  5. Step 5: Solve for x
    x = 4,766,528,339.02/76,807.08
  6. Step 6: Final answer
    x = 62,058.45

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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.