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Finding the Fourth Proportional to 64,178.60, 96,266.10 and 29,118.20

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Solution

The fourth proportional to 64,178.60, 96,266.10 and 29,118.20 is: 43,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,178.60 : 96,266.10 = 29,118.20 : x
  2. Step 2: Convert to fraction form
    64,178.60/96,266.10 = 29,118.20/x
  3. Step 3: Cross multiply
    64,178.60x = 96,266.10 × 29,118.20
  4. Step 4: Simplify right side
    64,178.60x = 2,803,095,553.02
  5. Step 5: Solve for x
    x = 2,803,095,553.02/64,178.60
  6. Step 6: Final answer
    x = 43,676.48

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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.