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Finding the Fourth Proportional to 76,208.41, 113,849.08 and 49,335.47

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Solution

The fourth proportional to 76,208.41, 113,849.08 and 49,335.47 is: 73,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,208.41 : 113,849.08 = 49,335.47 : x
  2. Step 2: Convert to fraction form
    76,208.41/113,849.08 = 49,335.47/x
  3. Step 3: Cross multiply
    76,208.41x = 113,849.08 × 49,335.47
  4. Step 4: Simplify right side
    76,208.41x = 5,616,797,870.87
  5. Step 5: Solve for x
    x = 5,616,797,870.87/76,208.41
  6. Step 6: Final answer
    x = 73,703.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.