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Finding the Fourth Proportional to 114,155.44, 157,496.16 and 66,369.76

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Solution

The fourth proportional to 114,155.44, 157,496.16 and 66,369.76 is: 91,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,155.44 : 157,496.16 = 66,369.76 : x
  2. Step 2: Convert to fraction form
    114,155.44/157,496.16 = 66,369.76/x
  3. Step 3: Cross multiply
    114,155.44x = 157,496.16 × 66,369.76
  4. Step 4: Simplify right side
    114,155.44x = 10,452,982,340.12
  5. Step 5: Solve for x
    x = 10,452,982,340.12/114,155.44
  6. Step 6: Final answer
    x = 91,567.97

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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.