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Finding the Fourth Proportional to 93,239.71, 139,957.40 and 82,633.92

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Solution

The fourth proportional to 93,239.71, 139,957.40 and 82,633.92 is: 124,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,239.71 : 139,957.40 = 82,633.92 : x
  2. Step 2: Convert to fraction form
    93,239.71/139,957.40 = 82,633.92/x
  3. Step 3: Cross multiply
    93,239.71x = 139,957.40 × 82,633.92
  4. Step 4: Simplify right side
    93,239.71x = 11,565,228,595.01
  5. Step 5: Solve for x
    x = 11,565,228,595.01/93,239.71
  6. Step 6: Final answer
    x = 124,037.59

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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.