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Finding the Fourth Proportional to 114,752.56, 171,934.70 and 70,286.56

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Solution

The fourth proportional to 114,752.56, 171,934.70 and 70,286.56 is: 105,310.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,752.56 : 171,934.70 = 70,286.56 : x
  2. Step 2: Convert to fraction form
    114,752.56/171,934.70 = 70,286.56/x
  3. Step 3: Cross multiply
    114,752.56x = 171,934.70 × 70,286.56
  4. Step 4: Simplify right side
    114,752.56x = 12,084,698,607.63
  5. Step 5: Solve for x
    x = 12,084,698,607.63/114,752.56
  6. Step 6: Final answer
    x = 105,310.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.