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Finding the Fourth Proportional to 91,414.40, 137,056.80 and 35,232.80

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Solution

The fourth proportional to 91,414.40, 137,056.80 and 35,232.80 is: 52,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,414.40 : 137,056.80 = 35,232.80 : x
  2. Step 2: Convert to fraction form
    91,414.40/137,056.80 = 35,232.80/x
  3. Step 3: Cross multiply
    91,414.40x = 137,056.80 × 35,232.80
  4. Step 4: Simplify right side
    91,414.40x = 4,828,894,823.04
  5. Step 5: Solve for x
    x = 4,828,894,823.04/91,414.40
  6. Step 6: Final answer
    x = 52,824.22

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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.