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Finding the Fourth Proportional to 223,429.56, 308,314.48 and 131,534.26

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Solution

The fourth proportional to 223,429.56, 308,314.48 and 131,534.26 is: 181,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,429.56 : 308,314.48 = 131,534.26 : x
  2. Step 2: Convert to fraction form
    223,429.56/308,314.48 = 131,534.26/x
  3. Step 3: Cross multiply
    223,429.56x = 308,314.48 × 131,534.26
  4. Step 4: Simplify right side
    223,429.56x = 40,553,916,974.08
  5. Step 5: Solve for x
    x = 40,553,916,974.08/223,429.56
  6. Step 6: Final answer
    x = 181,506.50

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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.