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Finding the Fourth Proportional to 120,875.51, 181,313.24 and 37,769.51

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Solution

The fourth proportional to 120,875.51, 181,313.24 and 37,769.51 is: 56,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,875.51 : 181,313.24 = 37,769.51 : x
  2. Step 2: Convert to fraction form
    120,875.51/181,313.24 = 37,769.51/x
  3. Step 3: Cross multiply
    120,875.51x = 181,313.24 × 37,769.51
  4. Step 4: Simplify right side
    120,875.51x = 6,848,112,495.75
  5. Step 5: Solve for x
    x = 6,848,112,495.75/120,875.51
  6. Step 6: Final answer
    x = 56,654.26

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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.