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Finding the Fourth Proportional to 93,852.91, 129,519.11 and 53,565.87

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Solution

The fourth proportional to 93,852.91, 129,519.11 and 53,565.87 is: 73,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,852.91 : 129,519.11 = 53,565.87 : x
  2. Step 2: Convert to fraction form
    93,852.91/129,519.11 = 53,565.87/x
  3. Step 3: Cross multiply
    93,852.91x = 129,519.11 × 53,565.87
  4. Step 4: Simplify right side
    93,852.91x = 6,937,803,942.69
  5. Step 5: Solve for x
    x = 6,937,803,942.69/93,852.91
  6. Step 6: Final answer
    x = 73,922.10

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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.