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Finding the Fourth Proportional to 93,676.96, 129,276.08 and 51,238.24

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Solution

The fourth proportional to 93,676.96, 129,276.08 and 51,238.24 is: 70,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,676.96 : 129,276.08 = 51,238.24 : x
  2. Step 2: Convert to fraction form
    93,676.96/129,276.08 = 51,238.24/x
  3. Step 3: Cross multiply
    93,676.96x = 129,276.08 × 51,238.24
  4. Step 4: Simplify right side
    93,676.96x = 6,623,878,813.30
  5. Step 5: Solve for x
    x = 6,623,878,813.30/93,676.96
  6. Step 6: Final answer
    x = 70,709.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.