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Finding the Fourth Proportional to 114,879.84, 158,523.72 and 66,473.40

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Solution

The fourth proportional to 114,879.84, 158,523.72 and 66,473.40 is: 91,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,879.84 : 158,523.72 = 66,473.40 : x
  2. Step 2: Convert to fraction form
    114,879.84/158,523.72 = 66,473.40/x
  3. Step 3: Cross multiply
    114,879.84x = 158,523.72 × 66,473.40
  4. Step 4: Simplify right side
    114,879.84x = 10,537,610,649.05
  5. Step 5: Solve for x
    x = 10,537,610,649.05/114,879.84
  6. Step 6: Final answer
    x = 91,727.24

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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.