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Finding the Fourth Proportional to 93,820.40, 140,744.92 and 37,660.40

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Solution

The fourth proportional to 93,820.40, 140,744.92 and 37,660.40 is: 56,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,820.40 : 140,744.92 = 37,660.40 : x
  2. Step 2: Convert to fraction form
    93,820.40/140,744.92 = 37,660.40/x
  3. Step 3: Cross multiply
    93,820.40x = 140,744.92 × 37,660.40
  4. Step 4: Simplify right side
    93,820.40x = 5,300,509,985.17
  5. Step 5: Solve for x
    x = 5,300,509,985.17/93,820.40
  6. Step 6: Final answer
    x = 56,496.35

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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.