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Finding the Fourth Proportional to 91,416.40, 137,059.80 and 35,234.80

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Solution

The fourth proportional to 91,416.40, 137,059.80 and 35,234.80 is: 52,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,416.40 : 137,059.80 = 35,234.80 : x
  2. Step 2: Convert to fraction form
    91,416.40/137,059.80 = 35,234.80/x
  3. Step 3: Cross multiply
    91,416.40x = 137,059.80 × 35,234.80
  4. Step 4: Simplify right side
    91,416.40x = 4,829,274,641.04
  5. Step 5: Solve for x
    x = 4,829,274,641.04/91,416.40
  6. Step 6: Final answer
    x = 52,827.22

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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.