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Finding the Fourth Proportional to 64,895.20, 97,189.20 and 44,005.60

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Solution

The fourth proportional to 64,895.20, 97,189.20 and 44,005.60 is: 65,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,895.20 : 97,189.20 = 44,005.60 : x
  2. Step 2: Convert to fraction form
    64,895.20/97,189.20 = 44,005.60/x
  3. Step 3: Cross multiply
    64,895.20x = 97,189.20 × 44,005.60
  4. Step 4: Simplify right side
    64,895.20x = 4,276,869,059.52
  5. Step 5: Solve for x
    x = 4,276,869,059.52/64,895.20
  6. Step 6: Final answer
    x = 65,904.24

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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.