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Finding the Fourth Proportional to 114,501.52, 158,034.78 and 66,762.52

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Solution

The fourth proportional to 114,501.52, 158,034.78 and 66,762.52 is: 92,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,501.52 : 158,034.78 = 66,762.52 : x
  2. Step 2: Convert to fraction form
    114,501.52/158,034.78 = 66,762.52/x
  3. Step 3: Cross multiply
    114,501.52x = 158,034.78 × 66,762.52
  4. Step 4: Simplify right side
    114,501.52x = 10,550,800,160.45
  5. Step 5: Solve for x
    x = 10,550,800,160.45/114,501.52
  6. Step 6: Final answer
    x = 92,145.50

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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.