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Finding the Fourth Proportional to 100,755.48, 151,133.34 and 37,574.64

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Solution

The fourth proportional to 100,755.48, 151,133.34 and 37,574.64 is: 56,362.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,755.48 : 151,133.34 = 37,574.64 : x
  2. Step 2: Convert to fraction form
    100,755.48/151,133.34 = 37,574.64/x
  3. Step 3: Cross multiply
    100,755.48x = 151,133.34 × 37,574.64
  4. Step 4: Simplify right side
    100,755.48x = 5,678,780,842.50
  5. Step 5: Solve for x
    x = 5,678,780,842.50/100,755.48
  6. Step 6: Final answer
    x = 56,362.00

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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.