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Finding the Fourth Proportional to 223,609.04, 308,580.36 and 123,006.32

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Solution

The fourth proportional to 223,609.04, 308,580.36 and 123,006.32 is: 169,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,609.04 : 308,580.36 = 123,006.32 : x
  2. Step 2: Convert to fraction form
    223,609.04/308,580.36 = 123,006.32/x
  3. Step 3: Cross multiply
    223,609.04x = 308,580.36 × 123,006.32
  4. Step 4: Simplify right side
    223,609.04x = 37,957,334,507.88
  5. Step 5: Solve for x
    x = 37,957,334,507.88/223,609.04
  6. Step 6: Final answer
    x = 169,748.66

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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.