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Finding the Fourth Proportional to 150,399.51, 225,697.70 and 56,905.26

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Solution

The fourth proportional to 150,399.51, 225,697.70 and 56,905.26 is: 85,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,399.51 : 225,697.70 = 56,905.26 : x
  2. Step 2: Convert to fraction form
    150,399.51/225,697.70 = 56,905.26/x
  3. Step 3: Cross multiply
    150,399.51x = 225,697.70 × 56,905.26
  4. Step 4: Simplify right side
    150,399.51x = 12,843,386,015.38
  5. Step 5: Solve for x
    x = 12,843,386,015.38/150,399.51
  6. Step 6: Final answer
    x = 85,395.13

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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.