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Finding the Fourth Proportional to 114,780.65, 158,009.54 and 94,605.57

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Solution

The fourth proportional to 114,780.65, 158,009.54 and 94,605.57 is: 130,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,780.65 : 158,009.54 = 94,605.57 : x
  2. Step 2: Convert to fraction form
    114,780.65/158,009.54 = 94,605.57/x
  3. Step 3: Cross multiply
    114,780.65x = 158,009.54 × 94,605.57
  4. Step 4: Simplify right side
    114,780.65x = 14,948,582,124.11
  5. Step 5: Solve for x
    x = 14,948,582,124.11/114,780.65
  6. Step 6: Final answer
    x = 130,236.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.