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Finding the Fourth Proportional to 64,980.80, 97,240.80 and 44,244.80

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Solution

The fourth proportional to 64,980.80, 97,240.80 and 44,244.80 is: 66,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,980.80 : 97,240.80 = 44,244.80 : x
  2. Step 2: Convert to fraction form
    64,980.80/97,240.80 = 44,244.80/x
  3. Step 3: Cross multiply
    64,980.80x = 97,240.80 × 44,244.80
  4. Step 4: Simplify right side
    64,980.80x = 4,302,399,747.84
  5. Step 5: Solve for x
    x = 4,302,399,747.84/64,980.80
  6. Step 6: Final answer
    x = 66,210.32

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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.