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Finding the Fourth Proportional to 71,376.39, 98,496.80 and 41,162.98

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Solution

The fourth proportional to 71,376.39, 98,496.80 and 41,162.98 is: 56,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,376.39 : 98,496.80 = 41,162.98 : x
  2. Step 2: Convert to fraction form
    71,376.39/98,496.80 = 41,162.98/x
  3. Step 3: Cross multiply
    71,376.39x = 98,496.80 × 41,162.98
  4. Step 4: Simplify right side
    71,376.39x = 4,054,421,808.46
  5. Step 5: Solve for x
    x = 4,054,421,808.46/71,376.39
  6. Step 6: Final answer
    x = 56,803.40

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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.