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Finding the Fourth Proportional to 99,284.94, 137,014.03 and 53,962.93

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Solution

The fourth proportional to 99,284.94, 137,014.03 and 53,962.93 is: 74,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,284.94 : 137,014.03 = 53,962.93 : x
  2. Step 2: Convert to fraction form
    99,284.94/137,014.03 = 53,962.93/x
  3. Step 3: Cross multiply
    99,284.94x = 137,014.03 × 53,962.93
  4. Step 4: Simplify right side
    99,284.94x = 7,393,679,133.98
  5. Step 5: Solve for x
    x = 7,393,679,133.98/99,284.94
  6. Step 6: Final answer
    x = 74,469.29

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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.