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Finding the Fourth Proportional to 134,457.25, 201,685.89 and 40,963

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Solution

The fourth proportional to 134,457.25, 201,685.89 and 40,963 is: 61,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,457.25 : 201,685.89 = 40,963 : x
  2. Step 2: Convert to fraction form
    134,457.25/201,685.89 = 40,963/x
  3. Step 3: Cross multiply
    134,457.25x = 201,685.89 × 40,963
  4. Step 4: Simplify right side
    134,457.25x = 8,261,659,112.07
  5. Step 5: Solve for x
    x = 8,261,659,112.07/134,457.25
  6. Step 6: Final answer
    x = 61,444.50

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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.