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Finding the Fourth Proportional to 116,688.60, 175,076.10 and 37,805.40

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Solution

The fourth proportional to 116,688.60, 175,076.10 and 37,805.40 is: 56,722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,688.60 : 175,076.10 = 37,805.40 : x
  2. Step 2: Convert to fraction form
    116,688.60/175,076.10 = 37,805.40/x
  3. Step 3: Cross multiply
    116,688.60x = 175,076.10 × 37,805.40
  4. Step 4: Simplify right side
    116,688.60x = 6,618,821,990.94
  5. Step 5: Solve for x
    x = 6,618,821,990.94/116,688.60
  6. Step 6: Final answer
    x = 56,722.10

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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.