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Finding the Fourth Proportional to 60,854.36, 91,157.60 and 49,649.63

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Solution

The fourth proportional to 60,854.36, 91,157.60 and 49,649.63 is: 74,373.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,854.36 : 91,157.60 = 49,649.63 : x
  2. Step 2: Convert to fraction form
    60,854.36/91,157.60 = 49,649.63/x
  3. Step 3: Cross multiply
    60,854.36x = 91,157.60 × 49,649.63
  4. Step 4: Simplify right side
    60,854.36x = 4,525,940,780.02
  5. Step 5: Solve for x
    x = 4,525,940,780.02/60,854.36
  6. Step 6: Final answer
    x = 74,373.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.