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Finding the Fourth Proportional to 64,984.80, 97,246.80 and 44,248.80

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Solution

The fourth proportional to 64,984.80, 97,246.80 and 44,248.80 is: 66,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.80 : 97,246.80 = 44,248.80 : x
  2. Step 2: Convert to fraction form
    64,984.80/97,246.80 = 44,248.80/x
  3. Step 3: Cross multiply
    64,984.80x = 97,246.80 × 44,248.80
  4. Step 4: Simplify right side
    64,984.80x = 4,303,054,203.84
  5. Step 5: Solve for x
    x = 4,303,054,203.84/64,984.80
  6. Step 6: Final answer
    x = 66,216.32

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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.