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Finding the Fourth Proportional to 65,244.50, 97,699.22 and 45,225.41

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Solution

The fourth proportional to 65,244.50, 97,699.22 and 45,225.41 is: 67,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244.50 : 97,699.22 = 45,225.41 : x
  2. Step 2: Convert to fraction form
    65,244.50/97,699.22 = 45,225.41/x
  3. Step 3: Cross multiply
    65,244.50x = 97,699.22 × 45,225.41
  4. Step 4: Simplify right side
    65,244.50x = 4,418,487,281.18
  5. Step 5: Solve for x
    x = 4,418,487,281.18/65,244.50
  6. Step 6: Final answer
    x = 67,721.99

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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.