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Finding the Fourth Proportional to 114,382.82, 171,539.70 and 43,281.63

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Solution

The fourth proportional to 114,382.82, 171,539.70 and 43,281.63 is: 64,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,382.82 : 171,539.70 = 43,281.63 : x
  2. Step 2: Convert to fraction form
    114,382.82/171,539.70 = 43,281.63/x
  3. Step 3: Cross multiply
    114,382.82x = 171,539.70 × 43,281.63
  4. Step 4: Simplify right side
    114,382.82x = 7,424,517,825.71
  5. Step 5: Solve for x
    x = 7,424,517,825.71/114,382.82
  6. Step 6: Final answer
    x = 64,909.38

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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.