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Finding the Fourth Proportional to 114,710.50, 158,325.80 and 63,740.75

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Solution

The fourth proportional to 114,710.50, 158,325.80 and 63,740.75 is: 87,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,710.50 : 158,325.80 = 63,740.75 : x
  2. Step 2: Convert to fraction form
    114,710.50/158,325.80 = 63,740.75/x
  3. Step 3: Cross multiply
    114,710.50x = 158,325.80 × 63,740.75
  4. Step 4: Simplify right side
    114,710.50x = 10,091,805,236.35
  5. Step 5: Solve for x
    x = 10,091,805,236.35/114,710.50
  6. Step 6: Final answer
    x = 87,976.30

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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.