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Finding the Fourth Proportional to 114,480.56, 157,983.08 and 64,179.56

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Solution

The fourth proportional to 114,480.56, 157,983.08 and 64,179.56 is: 88,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,480.56 : 157,983.08 = 64,179.56 : x
  2. Step 2: Convert to fraction form
    114,480.56/157,983.08 = 64,179.56/x
  3. Step 3: Cross multiply
    114,480.56x = 157,983.08 × 64,179.56
  4. Step 4: Simplify right side
    114,480.56x = 10,139,284,561.84
  5. Step 5: Solve for x
    x = 10,139,284,561.84/114,480.56
  6. Step 6: Final answer
    x = 88,567.74

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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.