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Finding the Fourth Proportional to 114,237.92, 157,636.96 and 66,497.60

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Solution

The fourth proportional to 114,237.92, 157,636.96 and 66,497.60 is: 91,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,237.92 : 157,636.96 = 66,497.60 : x
  2. Step 2: Convert to fraction form
    114,237.92/157,636.96 = 66,497.60/x
  3. Step 3: Cross multiply
    114,237.92x = 157,636.96 × 66,497.60
  4. Step 4: Simplify right side
    114,237.92x = 10,482,479,511.30
  5. Step 5: Solve for x
    x = 10,482,479,511.30/114,237.92
  6. Step 6: Final answer
    x = 91,760.07

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1.5x scale

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.