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Finding the Fourth Proportional to 93,682.71, 129,285.23 and 51,241.23

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Solution

The fourth proportional to 93,682.71, 129,285.23 and 51,241.23 is: 70,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,682.71 : 129,285.23 = 51,241.23 : x
  2. Step 2: Convert to fraction form
    93,682.71/129,285.23 = 51,241.23/x
  3. Step 3: Cross multiply
    93,682.71x = 129,285.23 × 51,241.23
  4. Step 4: Simplify right side
    93,682.71x = 6,624,733,949.83
  5. Step 5: Solve for x
    x = 6,624,733,949.83/93,682.71
  6. Step 6: Final answer
    x = 70,714.58

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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.