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Finding the Fourth Proportional to 116,585.65, 174,803.53 and 76,557.34

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Solution

The fourth proportional to 116,585.65, 174,803.53 and 76,557.34 is: 114,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,585.65 : 174,803.53 = 76,557.34 : x
  2. Step 2: Convert to fraction form
    116,585.65/174,803.53 = 76,557.34/x
  3. Step 3: Cross multiply
    116,585.65x = 174,803.53 × 76,557.34
  4. Step 4: Simplify right side
    116,585.65x = 13,382,493,279.41
  5. Step 5: Solve for x
    x = 13,382,493,279.41/116,585.65
  6. Step 6: Final answer
    x = 114,786.80

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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.