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Finding the Fourth Proportional to 116,810.90, 175,256.99 and 36,861.20

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Solution

The fourth proportional to 116,810.90, 175,256.99 and 36,861.20 is: 55,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,810.90 : 175,256.99 = 36,861.20 : x
  2. Step 2: Convert to fraction form
    116,810.90/175,256.99 = 36,861.20/x
  3. Step 3: Cross multiply
    116,810.90x = 175,256.99 × 36,861.20
  4. Step 4: Simplify right side
    116,810.90x = 6,460,182,959.79
  5. Step 5: Solve for x
    x = 6,460,182,959.79/116,810.90
  6. Step 6: Final answer
    x = 55,304.62

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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.