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Finding the Fourth Proportional to 114,185, 157,573.11 and 63,197.75

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Solution

The fourth proportional to 114,185, 157,573.11 and 63,197.75 is: 87,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,185 : 157,573.11 = 63,197.75 : x
  2. Step 2: Convert to fraction form
    114,185/157,573.11 = 63,197.75/x
  3. Step 3: Cross multiply
    114,185x = 157,573.11 × 63,197.75
  4. Step 4: Simplify right side
    114,185x = 9,958,266,012.50
  5. Step 5: Solve for x
    x = 9,958,266,012.50/114,185
  6. Step 6: Final answer
    x = 87,211.68

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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.