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Finding the Fourth Proportional to 181,457.98, 250,420.32 and 100,893.76

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Solution

The fourth proportional to 181,457.98, 250,420.32 and 100,893.76 is: 139,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,457.98 : 250,420.32 = 100,893.76 : x
  2. Step 2: Convert to fraction form
    181,457.98/250,420.32 = 100,893.76/x
  3. Step 3: Cross multiply
    181,457.98x = 250,420.32 × 100,893.76
  4. Step 4: Simplify right side
    181,457.98x = 25,265,847,665.20
  5. Step 5: Solve for x
    x = 25,265,847,665.20/181,457.98
  6. Step 6: Final answer
    x = 139,238.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.