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Finding the Fourth Proportional to 64,225.71, 96,358.01 and 45,541.85

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Solution

The fourth proportional to 64,225.71, 96,358.01 and 45,541.85 is: 68,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,225.71 : 96,358.01 = 45,541.85 : x
  2. Step 2: Convert to fraction form
    64,225.71/96,358.01 = 45,541.85/x
  3. Step 3: Cross multiply
    64,225.71x = 96,358.01 × 45,541.85
  4. Step 4: Simplify right side
    64,225.71x = 4,388,321,328.22
  5. Step 5: Solve for x
    x = 4,388,321,328.22/64,225.71
  6. Step 6: Final answer
    x = 68,326.55

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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.