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Finding the Fourth Proportional to 114,740.84, 158,297 and 66,333.86

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Solution

The fourth proportional to 114,740.84, 158,297 and 66,333.86 is: 91,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,740.84 : 158,297 = 66,333.86 : x
  2. Step 2: Convert to fraction form
    114,740.84/158,297 = 66,333.86/x
  3. Step 3: Cross multiply
    114,740.84x = 158,297 × 66,333.86
  4. Step 4: Simplify right side
    114,740.84x = 10,500,450,640.68
  5. Step 5: Solve for x
    x = 10,500,450,640.68/114,740.84
  6. Step 6: Final answer
    x = 91,514.50

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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.