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Finding the Fourth Proportional to 87,165.70, 130,803.81 and 37,246.15

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Solution

The fourth proportional to 87,165.70, 130,803.81 and 37,246.15 is: 55,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,165.70 : 130,803.81 = 37,246.15 : x
  2. Step 2: Convert to fraction form
    87,165.70/130,803.81 = 37,246.15/x
  3. Step 3: Cross multiply
    87,165.70x = 130,803.81 × 37,246.15
  4. Step 4: Simplify right side
    87,165.70x = 4,871,938,327.83
  5. Step 5: Solve for x
    x = 4,871,938,327.83/87,165.70
  6. Step 6: Final answer
    x = 55,892.84

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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.