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Finding the Fourth Proportional to 64,339.34, 96,402.31 and 45,526.12

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Solution

The fourth proportional to 64,339.34, 96,402.31 and 45,526.12 is: 68,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339.34 : 96,402.31 = 45,526.12 : x
  2. Step 2: Convert to fraction form
    64,339.34/96,402.31 = 45,526.12/x
  3. Step 3: Cross multiply
    64,339.34x = 96,402.31 × 45,526.12
  4. Step 4: Simplify right side
    64,339.34x = 4,388,822,778.52
  5. Step 5: Solve for x
    x = 4,388,822,778.52/64,339.34
  6. Step 6: Final answer
    x = 68,213.68

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1.5x scale

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.