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Finding the Fourth Proportional to 63,994.98, 95,914.63 and 45,280.42

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Solution

The fourth proportional to 63,994.98, 95,914.63 and 45,280.42 is: 67,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,994.98 : 95,914.63 = 45,280.42 : x
  2. Step 2: Convert to fraction form
    63,994.98/95,914.63 = 45,280.42/x
  3. Step 3: Cross multiply
    63,994.98x = 95,914.63 × 45,280.42
  4. Step 4: Simplify right side
    63,994.98x = 4,343,054,547.36
  5. Step 5: Solve for x
    x = 4,343,054,547.36/63,994.98
  6. Step 6: Final answer
    x = 67,865.55

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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.