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Finding the Fourth Proportional to 114,574.86, 158,132.31 and 66,828.21

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Solution

The fourth proportional to 114,574.86, 158,132.31 and 66,828.21 is: 92,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,574.86 : 158,132.31 = 66,828.21 : x
  2. Step 2: Convert to fraction form
    114,574.86/158,132.31 = 66,828.21/x
  3. Step 3: Cross multiply
    114,574.86x = 158,132.31 × 66,828.21
  4. Step 4: Simplify right side
    114,574.86x = 10,567,698,429.80
  5. Step 5: Solve for x
    x = 10,567,698,429.80/114,574.86
  6. Step 6: Final answer
    x = 92,234.01

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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.