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Finding the Fourth Proportional to 87,152.15, 130,783.41 and 37,232.48

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Solution

The fourth proportional to 87,152.15, 130,783.41 and 37,232.48 is: 55,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,152.15 : 130,783.41 = 37,232.48 : x
  2. Step 2: Convert to fraction form
    87,152.15/130,783.41 = 37,232.48/x
  3. Step 3: Cross multiply
    87,152.15x = 130,783.41 × 37,232.48
  4. Step 4: Simplify right side
    87,152.15x = 4,869,390,043.24
  5. Step 5: Solve for x
    x = 4,869,390,043.24/87,152.15
  6. Step 6: Final answer
    x = 55,872.29

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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.