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Finding the Fourth Proportional to 181,647.60, 272,393.64 and 56,998.32

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Solution

The fourth proportional to 181,647.60, 272,393.64 and 56,998.32 is: 85,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,647.60 : 272,393.64 = 56,998.32 : x
  2. Step 2: Convert to fraction form
    181,647.60/272,393.64 = 56,998.32/x
  3. Step 3: Cross multiply
    181,647.60x = 272,393.64 × 56,998.32
  4. Step 4: Simplify right side
    181,647.60x = 15,525,979,858.68
  5. Step 5: Solve for x
    x = 15,525,979,858.68/181,647.60
  6. Step 6: Final answer
    x = 85,473.08

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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.