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Finding the Fourth Proportional to 190,373.54, 285,549.27 and 57,250.90

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Solution

The fourth proportional to 190,373.54, 285,549.27 and 57,250.90 is: 85,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,373.54 : 285,549.27 = 57,250.90 : x
  2. Step 2: Convert to fraction form
    190,373.54/285,549.27 = 57,250.90/x
  3. Step 3: Cross multiply
    190,373.54x = 285,549.27 × 57,250.90
  4. Step 4: Simplify right side
    190,373.54x = 16,347,952,701.84
  5. Step 5: Solve for x
    x = 16,347,952,701.84/190,373.54
  6. Step 6: Final answer
    x = 85,873.03

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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.