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Finding the Fourth Proportional to 114,122.52, 157,551.12 and 68,808.60

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Solution

The fourth proportional to 114,122.52, 157,551.12 and 68,808.60 is: 94,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,122.52 : 157,551.12 = 68,808.60 : x
  2. Step 2: Convert to fraction form
    114,122.52/157,551.12 = 68,808.60/x
  3. Step 3: Cross multiply
    114,122.52x = 157,551.12 × 68,808.60
  4. Step 4: Simplify right side
    114,122.52x = 10,840,871,995.63
  5. Step 5: Solve for x
    x = 10,840,871,995.63/114,122.52
  6. Step 6: Final answer
    x = 94,993.28

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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.