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Finding the Fourth Proportional to 93,689.42, 140,529.81 and 34,521.08

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Solution

The fourth proportional to 93,689.42, 140,529.81 and 34,521.08 is: 51,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,689.42 : 140,529.81 = 34,521.08 : x
  2. Step 2: Convert to fraction form
    93,689.42/140,529.81 = 34,521.08/x
  3. Step 3: Cross multiply
    93,689.42x = 140,529.81 × 34,521.08
  4. Step 4: Simplify right side
    93,689.42x = 4,851,240,813.39
  5. Step 5: Solve for x
    x = 4,851,240,813.39/93,689.42
  6. Step 6: Final answer
    x = 51,780.03

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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.