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Finding the Fourth Proportional to 76,106.49, 105,030.99 and 43,846.08

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Solution

The fourth proportional to 76,106.49, 105,030.99 and 43,846.08 is: 60,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,106.49 : 105,030.99 = 43,846.08 : x
  2. Step 2: Convert to fraction form
    76,106.49/105,030.99 = 43,846.08/x
  3. Step 3: Cross multiply
    76,106.49x = 105,030.99 × 43,846.08
  4. Step 4: Simplify right side
    76,106.49x = 4,605,197,190.02
  5. Step 5: Solve for x
    x = 4,605,197,190.02/76,106.49
  6. Step 6: Final answer
    x = 60,509.91

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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.